Oh, what a happy little question! The greatest common factor (GCF) of 45 and 56 is 1 because they don't have any common factors other than 1. Each number is like a unique little tree in the forest, standing tall on its own. Just remember, every number is special in its own way, just like every brushstroke on a beautiful painting!
The GCF is 1.
The GCF is 1.
45=3x3x5 56=2x2x2x7 There are no common factors.
Since the GCF of 45 and 56 is 1, they are relatively prime.
The GCF is 1.
The GCF is 1.
The GCF is 1.
3 x 3 x 5 = 45 2 x 2 x 2 x 7 = 56 Since 45 and 56 don't have any prime factors in common, the GCF is 1.
3 x 3 x 5 = 45 2 x 2 x 2 x 7 = 56 No common prime factors; the GCF is 1.
3 x 3 x 5 = 45 2 x 2 x 2 x 7 = 56 No common prime factors. The GCF is 1.
The GCF is 56.
GCF of 175 and 56 is 7.