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Factors and multiples: true or false?
True or false · 8 items · by José
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What’s inside
Read and decide.
- 3 is a factor of 12.
- 5 is a factor of 22.
- 24 is a multiple of 6.
- 7 is a prime number.
- 9 is a prime number.
- 1 is a factor of every number.
- The factors of 10 are 1, 2, 5 and 10.
- 15 is a multiple of 4.
Answer key
- 3 is a factor of 12. → True — 3 × 4 = 12
- 5 is a factor of 22. → False — 22 ÷ 5 is not a whole number.
- 24 is a multiple of 6. → True — 6 × 4 = 24
- 7 is a prime number. → True — Its only factors are 1 and 7.
- 9 is a prime number. → False — 9 = 3 × 3
- 1 is a factor of every number. → True
- The factors of 10 are 1, 2, 5 and 10. → True
- 15 is a multiple of 4. → False — 4 × 3 = 12 and 4 × 4 = 16.
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