What is the greatest common factor of 14 and 25?

Answer 1

The GCF of 14 and 25 is 1.

The factors of 14 are 1, 2, 7, and 14.

The factors of 25 are 1, 5, and 25.

The largest factor they have in common is 1, so 1 is the greatest common factor. This means they are relatively prime, since they have no factor in common other than 1.

You can also determine the greatest common factor by their prime factors.

The prime factors of 14 are 2 and 7.

The prime factors of 25 are 5 and 5.

They have no prime factors in common, which means they are relatively prime, so 1 is their greatest common factor. 1

Answer 2

The GCF is 1.