Prime factors (< 500)

Math worksheets: Prime factors of numbers under 500

Below are six versions of our grade 5 math worksheet on prime factors. Students must determine the set of prime numbers which multiply together to give the original number. A prime number can only be divided evenly  only by 1 and itself.  These worksheets are pdf files.

More factoring & prime factors worksheets

Explore all of our factoring worksheets, from factoring numbers under 50 to prime factor trees, GCFs and LCMs.

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