What is the GCF of 20 18 and 14?

Answer 1

The GCF ( greatest common factor) is 2 I know for a fact this is the correct answer

Greatest common factor means the factor that goes (for example) 18 and 20, but the biggest.

Answer 2

Prime factor each one then circle the common factors. Multiply those and you'll have the GCF.

18=2x3x3

20=2x2x5

2 is the GCF

Answer 3

The factors of 18 are:

1, 2, 3, 6, 9, 18

The factors of 20 are:

1, 2, 4, 5, 10, 20

The Greatest Common Factor (GCF) is:

2

Answer 4

The Greatest Common Factor of 20, 18 and 14 is 2.