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Greatest Common Factor of 32 and 45

Greatest common factor (GCF) of 32 and 45 is 1.

GCF(32,45) = 1

We will now calculate the prime factors of 32 and 45, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32 and 45.

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Prime Factorization of 32

Prime factors of 32 are 2. Prime factorization of 32 in exponential form is:

32 = 25

Prime Factorization of 45

Prime factors of 45 are 3, 5. Prime factorization of 45 in exponential form is:

45 = 32 × 51

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1, 2, 4, 8, 16

Factors of 45

List of positive integer factors of 45 that divides 32 without a remainder.

1, 3, 5, 9, 15

Greatest Common Factor

We found the factors and prime factorization of 32 and 45. The biggest common factor number is the GCF number.
So the greatest common factor 32 and 45 is 1.

Also check out the Least Common Multiple of 32 and 45

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