How to factor a number

Practice Questions

PSAT Math › How to factor a number

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$\textup{If }a\textup{ is the greatest prime factor of 34 and }b\textup{ is the greatest}$

$\textup{prime factor of 20, what is the value of }a-b\textup{ ?}$

What is the product of the distinct prime factors of 24?

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?

What is the sum of all prime factors of 152?

If p is an integer, then which of the following could be equal to (6 + 2p)(3)

If $180 = 2^{a}3^{b}5^{c}7^{d}$ , where $a,b,c,d$ are all positive integers, what is $a+b+c+d$ ?

If p is a prime number greater than 1, how many positive factors does p4 have?

If there are to be parking spaces at least 6 feet wide along a wall 46 feet long, how many parking space can be drawn in?

How many integers between 50 and 100 are divisible by 9?

If x is the greatest prime factor of 42, and y is the greatest prime factor of 55, what is the value of xy?

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