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The factors of 20 are: 1, 2, 4, 5, 10, 20

The factors of 25 are: 1, 5, 25

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40

  • The Greatest Common Factor (GCF) is: 5

The GCF is 5.

The GCF is 5.
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Q: What is the greatest common factor of 20 25 and 40?
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