2 years ago

What is the gcf of 42 and,72

Mathematics

2 answers:

Dmitriy789 [7]2 years ago

5 0

The greatest common factor of 42 and 72 is 6.

6 times 7 is 42. 6 times 12 is 72. There is no greater factor for both numbers except for 6.

Hope this helps!

mel-nik [20]2 years ago

3 0

Consider the factors of both numbers

factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42

factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

common factors are 1, 2, 3, 6

the gcf = 6

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