Factors and Multiples Worksheets

Page one asks students to find every factor pair for five numbers and to circle prime or composite for ten more. Page two lists multiples and asks whether a number is a multiple of a one-digit number.

Press “New worksheet” for new numbers. The answer key lists every factor pair.

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Factors and Factor Pairs

Name: ______________________Date: __________

Find all the factor pairs for each number. A factor pair is two numbers that multiply to make the number. Example: 10 → 1 × 10, 2 × 5

  1. 56
  2. 96
  3. 48
  4. 24
  5. 20

A prime number has exactly two factors: 1 and itself. A composite number has more than two factors. Circle P for prime or C for composite.

21
PC
89
PC
27
PC
77
PC
49
PC
25
PC
23
PC
83
PC
73
PC
13
PC

Multiples

Name: ______________________Date: __________

A multiple is what you get when you multiply a number by 1, 2, 3, and so on. List the first eight multiples of each number.

  1. Multiples of 9:
  2. Multiples of 3:
  3. Multiples of 7:
  4. Multiples of 6:

Is the first number a multiple of the second number? Circle yes or no. Hint: a number is a multiple of each of its factors.

  1. Is 48 a multiple of 8? yesno
  2. Is 28 a multiple of 4? yesno
  3. Is 84 a multiple of 7? yesno
  4. Is 92 a multiple of 9? yesno
  5. Is 43 a multiple of 7? yesno
  6. Is 81 a multiple of 6? yesno
  7. Is 39 a multiple of 3? yesno
  8. Is 94 a multiple of 5? yesno

Factors and Factor Pairs: Answer Key

Find all the factor pairs for each number. A factor pair is two numbers that multiply to make the number. Example: 10 → 1 × 10, 2 × 5

  1. 56
    1 × 56, 2 × 28, 4 × 14, 7 × 8
  2. 96
    1 × 96, 2 × 48, 3 × 32, 4 × 24, 6 × 16, 8 × 12
  3. 48
    1 × 48, 2 × 24, 3 × 16, 4 × 12, 6 × 8
  4. 24
    1 × 24, 2 × 12, 3 × 8, 4 × 6
  5. 20
    1 × 20, 2 × 10, 4 × 5

A prime number has exactly two factors: 1 and itself. A composite number has more than two factors. Circle P for prime or C for composite.

21
PC
89
PC
27
PC
77
PC
49
PC
25
PC
23
PC
83
PC
73
PC
13
PC

Multiples: Answer Key

A multiple is what you get when you multiply a number by 1, 2, 3, and so on. List the first eight multiples of each number.

  1. Multiples of 9:
    9, 18, 27, 36, 45, 54, 63, 72
  2. Multiples of 3:
    3, 6, 9, 12, 15, 18, 21, 24
  3. Multiples of 7:
    7, 14, 21, 28, 35, 42, 49, 56
  4. Multiples of 6:
    6, 12, 18, 24, 30, 36, 42, 48

Is the first number a multiple of the second number? Circle yes or no. Hint: a number is a multiple of each of its factors.

  1. Is 48 a multiple of 8? yesno 8 × 6 = 48
  2. Is 28 a multiple of 4? yesno 4 × 7 = 28
  3. Is 84 a multiple of 7? yesno 7 × 12 = 84
  4. Is 92 a multiple of 9? yesno 92 ÷ 9 has a remainder
  5. Is 43 a multiple of 7? yesno 43 ÷ 7 has a remainder
  6. Is 81 a multiple of 6? yesno 81 ÷ 6 has a remainder
  7. Is 39 a multiple of 3? yesno 3 × 13 = 39
  8. Is 94 a multiple of 5? yesno 94 ÷ 5 has a remainder

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Factors and Multiples Worksheets: free printable math worksheets for 4th grade from Printable Classroom. Printable factors and multiples worksheets: find all factor pairs for numbers to 100, sort prime and composite numbers, list multiples, and decide if a number is a multiple of a one-digit number. Answer key included.