The greatest common factor of 126 and 98 is:

(1 point)
Responses

2
2

7
7

14
14

28

The greatest common factor of 126 and 98 is 14.

To find the greatest common factor (GCF) of 126 and 98, we can use prime factorization.

Prime factorization of 126:
126 = 2 x 3 x 3 x 7

Prime factorization of 98:
98 = 2 x 7 x 7

To find the GCF, we need to find the highest power of each common prime factor: 2 and 7.

The highest power of 2 that both 126 and 98 share is 2^1 = 2.
The highest power of 7 that both 126 and 98 share is 7^1 = 7.

Therefore, the GCF of 126 and 98 is 2 x 7, which is 14.

So, the correct answer is 14.