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Prime factor trees

Factoring worksheets: prime factor trees

Below are six versions of our grade 5 factoring worksheet; students determine the prime factors of a number by using a factor tree.   Note that there may be more than one possible correct combination of intermediate factors, but the factors at the bottom of each branch (the prime factors) should be the same as on the answer sheet.

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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