What is the greatest common factor of 245 and 310?

Answer 1

The common factors are:

1, 5

The Greatest Common Factor:

GCF = 5

Answer 2

There cannot be a common or greatest common factor of just one number. You need two or more numbers.

Answer 3

Factors for 320 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

Factors for 245 are: 1, 5, 7, 35, 49, 245

Common Factors: 1, 5

Answer 4

The GCF/HCF of 245 and 310 is 5.

Answer 5

The GCF is 70.

Answer 6

The GCF of 210 and 245 is 35.