Question

Find the greatest common factor of 21 and 28.

Answer 1

Step-by-step explanation:

The biggest common factor number is the GCF number. So the greatest common factor 21 and 28 is 7.

Answer 2

$\mathfrak{ \large{ \purple{✿Answer}}}$

Factors of 21 = 1, 3, 7, 21

Factors of 28 = 1, 2, 4, 7, 14, 28

$\sf{ \blue {=>Therefore \: highest \: common \: factors \: of \: 21 \: and \: 28 = 7}}$

$\mathcal{ \purple{✤Hope \: this \: helps! }} \:$