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16 breaks down into four prime factors, 2 x 2 x 2 x 2.

Regarding factors in general and assuming the four factors include one and the number itself, which are factors of every number, the numbers are...

  • 6 (1, 2, 3 & 6)
  • 8 (1, 2, 4 & 8)
  • 10 (1, 2, 5 & 10)
  • 14 (1, 2, 7 & 14)
  • 15 (1, 3, 5 & 15)

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10y ago

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More answers

It must be a semi-prime: a product of two prime numbers. One such is 15.

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10y ago
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The number 16 has factors 1, 2, 4, 8, 16

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10y ago
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Q: What is a number between 0 and 20 that has 4 factors?
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