PSAT Math › Factors / Multiples
The sum of the first seven prime numbers divided by two is
The sum of the first seven prime numbers divided by two is
What is the product of the distinct prime factors of 24?
What is the product of the distinct prime factors of 24?
If a, b, and c are positive integers such that 4_a_ = 6_b_ = 11_c_, then what is the smallest possible value of a + b + c?
If a, b, and c are positive integers such that 4_a_ = 6_b_ = 11_c_, then what is the smallest possible value of a + b + c?
If the variable x is an integer divisible by the numbers 2 and 3, which of the following is necessarily divisible by 2, 3 and 5?
If is divisible by 2, 3 and 15, which of the following is also divisible by these numbers?