4 years ago

What are the greatest common factor of 21 30

2 answers:

6 0

Factors of 21: 3,7
factors of 30: 2, 3, 5, 6 10, 15

3 is the <span>largest number that could be divided into the integers

GCF is </span> $\boxed{3}$

vova2212 [387]4 years ago

3 0

The GCF of 21 is 7 the GCF of 30 is 6. 7X3=21 5X6=30 there are no larger numbers that will go into either 21 or 30

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