Question

Find the greatest common factor (GCF) for the pair of 12 and 15

Answer 1

3

Explanation:

in the image Attached

......

Answer 2

3

Explanation:

Prime factorize both numbers :

• 12 = 2² x 3
• 15 = 5 x 3

The GCF is the highest common term that both terms share.

Hence,

• GCF (12, 15) = 3