What is the largest number that is a factor of both 20 and 30?

asked Feb 6, 2019 226k views

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5 votes

I believe the correct answer is 10.

Factors of 20: 1, 2, 4, 5, 10, 20

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

10 is the GCF.

Skittles answered Feb 7, 2019

6.5k points

3 votes

10 would be the greatest common factor of these two numbers.

Hope this helps!

ManuelCanepa answered Feb 10, 2019

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