What is the greatest common factor of 15 and 12?

Answer 1

The GCF of 12 and 15 is 3.

factors of 12: 1, 2, 3, 4, 6 and 12.

factors of 15: 1, 3, 5, and 15.

common factors 1 and 3. Since 3 > 1, 3 is the Greatest Common Factor.

Answer 2

Factors of 12: 1, 2, 3, 4, 6, and 12.

Factors of 15: 1, 3, 5, and 15

Common factors: 1 and 3

Highest common factor: 3

Answer 3

The word "GREATEST" is a superlative adjective and that means there can be only one.
GCF(12, 15) = 3.

Answer 4

Greatest common factor of 12 and 15 is 3.

Answer 5

3.

Answer 6

3 are.