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What is the greatest common factor of 21 and 65

User Andi
by
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2 Answers

5 votes

Answer: 1 ✔


Explanation:

The factors of 21 are: 1, 3, 7, 21

The factors of 65 are: 1, 5, 13, 65

Then the greatest common factor is 1.

They both contain a one in their factors so the GCF for both is 1.

User Michael McGowan
by
8.1k points
6 votes

Answer:

1

Explanation:

21 = 3*7

65 = 5*13

CGF: to find the greatest common factor, multiply those factors both numbers have in common

GCF :1 since there are no factors in common

User Pkamb
by
9.2k points

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