Represent composite numbers as a product of their prime factors, including through the use of factor trees
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
Is 9 prime or composite?
📘 Worked solution
✓9=3×3, so it has a factor besides 1 and itself.
And one from the hard end
Is 97 prime or composite?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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