Question

Greatest common factor of each set of numbers: 21,35,49

Answer 1

GCF=7

Explanation:

21=7*3

35=7*5

49=7*7

If you notice, 7 appears each time as a factor of each number, so your answer is 7

Answer 2

7

Explanation:

21 = 3*7

35= 5*7

49 = 7*7

The greatest common factor is 7