SAT Tip Of The Week

describe the imageTime for some SAT Math vocab!

What’s a common factor?

common factor is a factor shared by two numbers. For example:

Factors of 18 are 1 and 182 and 9, and 3 and 6.

Factors of 15 are 1 and 15 and 3 and 5.

The common factors of 15 and 18 are 1 and 3.

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