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3 years ago

What is the greatest common factor of 21 and 65

Mathematics

2 answers:

love history [14]3 years ago

7 0

Answer:

Step-by-step 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

ryzh [129]3 years ago

3 0

Answer: 1 ✔

Step-by-step 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.

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