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The factors of 15 are: 1, 3, 5, 15

The factors of 28 are: 1, 2, 4, 7, 14, 28

The common factors are: 1

  • The Greatest Common Factor (GCF) is: 1
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Q: How do you find the GCF of 15 and 28?
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What is the GCF of 15 and 28?

The GCF of 15 and 28 is 1. GCF stands for greatest common factor.


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