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# What is the greatest common factor of 15 and 90?

Updated: 4/28/2022

Wiki User

9y ago

The greatest common factor is the highest number that divides exactly into two or more numbers.

15: 1, 3, 5, 15

90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

The GCF for 15 and 90 is 15.

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9y ago

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Q: What is the greatest common factor of 15 and 90?
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