Represent composite numbers as a product of their prime factors, including through the use of factor trees
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
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
Find the prime factorization of 150 (=2×3×5²), then use it to find the GCF of 150 and 200 (=2³×5²).
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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