SAT Tip Of The Week - 5/15/2012

describe the imageTime for some SAT Math vocab!

What’s a prime factor?

A prime factor is a prime number that divides into a larger number without a remainder. For example:

The factors of 18 are 1 and 18, 2 and 9, and 3 and 6: Out of those, the prime factors are 2 and 3.


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