What is a factor?

Question

My ittle sister asked me to help her with her math, BUT I have no idea what a factor is!
Example: She needs to find the factors of 37 and 28.

Answer 1

37 is a prime number, the only factors are 1 and itself.

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A composite number has other factors other than 1 and itself.

28 is a composite number

the factors of 28 are

1 x 28
2 x 14
4 x 7

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