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# Are 45 and 64 relatively prime why?

Updated: 10/18/2022

Wiki User

9y ago

45 and 64 are not prime numbers because they both have more than two factors

Wiki User

9y ago

Wiki User

8y ago

45 and 64 relatively prime because their GCF is 1.

Wiki User

9y ago

The only prime factor of 64 is 2 and 2 does not divide 45. So the two numbers cannot have any common factor (other than 1) - which is the same as saying that they are relatively prime.

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Related questions

### Are 45 and 64 relatively prime?

Yes, 45 and 64 are relatively prime because they do not share any prime factors.

Their GCF is 1.

Their GCF is 1.

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### Is 45 and 64 relatively prime?

Numbers are either prime or they aren't. In this case, 45 is divisible by 3 and 15; sixty-four goes into 2, 4, 8 and 32. The term "relatively prime" compares two numbers and their common factors. If the GCF of the two numbers is 1, then they are "relatively prime."

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