Question

Which expression represents the gcf of 154 and 196.

Choices-
A)2 X 7
B)2 X 2 X 7
C)2 X 7 X 7
D)2 X 2 X 7 X 7 X 11

Answer 1

Answer=A

To find the gcf, we need to factor each number.

154=2*7*11

196=2*2*7*7

The number have a factor of 2 and a factor of 7 in common, so...


GCF=2*7

Answer 2

The answer to this question is D