Prime Numbers - ISEE Lower Level Quantitative Reasoning

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Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- from our definition of a prime number we know that cannot be correct because prime numbers are greater than .

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is , and both and are not a prime numbers.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- from our definition of a prime number we know that cannot be correct because prime numbers are greater than .

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is , and both and are not a prime numbers.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and both and are not prime numbers.

- A factor pair for is , and both and are not a prime numbers.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- from our definition of a prime number we know that cannot be correct because prime numbers are greater than .

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is , and both and are not prime numbers.

- A factor pair for is , and both and are not a prime numbers.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is . Though is a prime number, is not.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

Question

Which of the following is the product of two distinct prime numbers?

Answer

There are two key terms in this question that we need to understand in order to answer the question correctly: product and prime numbers.

Product is the answer to a multiplication problem.

Prime numbers are numbers that are greater than and only have factors of the number and itself. For example is a prime number because it's greater than and the factors of are only and .

To find the correct answer, we need to know the factor pairs for our answer choices. The correct answer will have a factor pair of two prime numbers.

Let's look at our answer options:

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is , and is not a prime number.

- A factor pair for is . Both and are prime numbers, thus is our correct answer.

Compare your answer with the correct one above

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