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What is the GCF of 15 and 30
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What is the GCF of 15 and 30

User Greg Navis
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5 votes
The Greatest Common Factor (GCF) is to look for the biggest number that is simultaneously divisible into 15 and 30.

3 / 15 30

5 / 5 10

/ 1 2

GCF = 3 * 5 = 15.

The greatest common factor = 15.

I hope this explains it.
User Brian Rosamilia
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7.9k points
4 votes
15 is the GCF of 15 and 30, as 15 is the largest factor of 15 and 30.
User Ayushya
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