What is the greatest common factor of 45 and 68?

Anonymous

∙ 14y ago

Updated: 8/18/2019

68 / 45 = 1 r 23

45 / 23 = 1 r 22

23 / 22 = 1 r 1

22 / 1 = 22 r 0

GCF of 45 and 68 is 1.

In prime factorisation:

45 = 32 x 51

68 = 22 x 171

There are no common primes, so the greatest common (and only) factor is 1.

Wiki User

∙ 14y ago

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