The GCF is 128.
Wiki User
∙ 2015-07-29 15:52:4314
The greatest common factor of 480 and 640 is 160.
The GCF is 80.
The GCF is 128.
64
14
The greatest common factor (GCF) of 640 and 256 is 128.
The greatest common factor of 480 and 640 is 160.
The GCF is 160.
The GCF is 320.
The GCF is 80.
The GCF is 20.
The GCF is 128.
I'm not sure what you mean by lowest common factor, typically math teacher will ask for least common multiple or greatest common factor on your homework.While the lowest common factor is 1, 1 is also the greatest common factor. The least common multiple is 640.
64
The prime factors of 640 are 2, 2, 2, 2, 2, 2, 2, and 5. The prime factors of 412 are 2, 2, and 103. The factors they have in common are two 2s, so 2 x 2 = 4 is the greatest common factor.
256 +384 = 640