What is the greatest common factor of 20 21 and 25?

Answer 1

The greatest common factor of 20, 21, and 25 is 1. Although 20 and 25 can be divisible by 5, 21 can not. Therefore, the only common factor between these three numbers is 1 and it's the greatest one as well.

Answer 2

1. Greatest Common Factor (GCF) of (20,25) is 5
2. Least Common Multiple (LCM) of (20,25) is 100

Answer 3

The Greatest Common Factor of 20, 25, 40: 5

Answer 4

The HCF of 20 & 25 is 5.

Answer 5

The GCF of 10, 20, and 25 is 5

Answer 6

The GCF is 1.