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The greatest common factor of 5 and 21 is 1

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8y ago
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11y ago
  • Factors of 6: 1, 2, 3, 6
  • Factors of 12: 1, 2, 3, 4, 6, 12
  • Factors of 21: 1, 3, 7, 21
  • GCF (6, 12, 21) = 3
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10y ago

Two is a Prime number and so it can be represented by 2x1.

21 is a composite number and is represented by 7x3x1.

The greatest number that is common is 1.

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9y ago

The GCF is 3.

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6y ago

The GCF is 3.

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6y ago

GCF(6, 21) = 3.

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14y ago

3 (three)

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6y ago

42

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11y ago

42 is.

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Q: What is the greatest common factor of 5 and 21?
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