How is the GCF of 280 and 800 40?

Answer 1

The factors of 280 are:

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280

The factors of 800 are:

1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800

The common factors are:

1, 2, 4, 5, 8, 10, 20, 40

The Greatest Common Factor:

GCF = 40

Answer 2

40 is a factor of both 280 and 800. It is also the GCF of these three numbers.

Answer 3

The GCF is 40.

Answer 4

GCF(280, 320) = 40.

Answer 5

20