###### Asked in Math and ArithmeticFactoring and Multiples

Math and Arithmetic

Factoring and Multiples

# What is the greatest common factor for 45 and 32?

## Answer

###### Wiki User

###### March 11, 2012 4:55AM

The GCF is 1.

## Related Questions

###### Asked in Factoring and Multiples

### What is the greatest common factor of 32 and 45?

The GCF of 32 and 45 is 1.
One way to determine the greatest common factor is to find all
the factors of the numbers and compare them.
The factors of 32 are 1, 2, 4, 8, 16, and 32.
The factors of 45 are 1, 3, 5, 9, 15, and 45.
The common factors are 1. Therefore, 1 is the greatest common
factor, which means they are relatively prime.
The greatest common factor can also be calculated by identifying
the common prime factors and multiplying them together.
The prime factors of 32 are 2, 2, 2, 2, and 2.
The prime factors of 45 are 3, 3, and 5.
They have no prime factors in common, so they are relatively
prime.