# Greatest Common Factor of 15 and 22

Greatest common factor (GCF) of 15 and 22 is 1.

GCF(15,22) = 1

We will now calculate the prime factors of 15 and 22, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15 and 22.

GCF Calculator and

## Prime Factorization of 15

Prime factors of 15 are 3, 5. Prime factorization of 15 in exponential form is:

15 = 31 × 51

## Prime Factorization of 22

Prime factors of 22 are 2, 11. Prime factorization of 22 in exponential form is:

22 = 21 × 111

### Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1, 3, 5

### Factors of 22

List of positive integer factors of 22 that divides 15 without a remainder.

1, 2, 11

### Greatest Common Factor

We found the factors and prime factorization of 15 and 22. The biggest common factor number is the GCF number.
So the greatest common factor 15 and 22 is 1.

Also check out the Least Common Multiple of 15 and 22