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Listing factors worksheets Grades 4–5

List every factor of a number in order from smallest to largest.

The front of the free listing factors worksheet
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Free · Worked example · 29 problems · Answer key · US Letter

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How to do it

List every factor in order, smallest to largest.

Factors of 63:1,3,7,9,21,63\text{Factors of }63:\quad 1, 3, 7, 9, 21, 63
Pairs: 1×63,3×21,7×9\text{Pairs: }1\times 63, 3\times 21, 7\times 9
1,3,7,9,21,631, 3, 7, 9, 21, 63list every number from the pairs, in order

Example problems

  1. Factors of 18:\text{Factors of }18:
  2. Factors of 54:\text{Factors of }54:
  3. Factors of 90:\text{Factors of }90:
  4. Factors of 75:\text{Factors of }75:

Factors, multiples and prime numbers

  1. Divisibility rules
  2. Factor pairs
  3. Listing factors
  4. Prime and composite numbers
  5. Prime factorization
  6. Greatest common factor (GCF)
  7. Least common multiple (LCM)
  8. GCF and LCM mixed practice