# Greatest Common Factor of 12 and 30

Greatest common factor (GCF) of 12 and 30 is 6.

GCF(12,30) = 6

We will now calculate the prime factors of 12 and 30, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12 and 30.

GCF Calculator and

## Prime Factorization of 12

Prime factors of 12 are 2, 3. Prime factorization of 12 in exponential form is:

12 = 22 × 31

## Prime Factorization of 30

Prime factors of 30 are 2, 3, 5. Prime factorization of 30 in exponential form is:

30 = 21 × 31 × 51

### Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1, 2, 3, 4, 6

### Factors of 30

List of positive integer factors of 30 that divides 12 without a remainder.

1, 2, 3, 5, 6, 10, 15

### Greatest Common Factor

We found the factors and prime factorization of 12 and 30. The biggest common factor number is the GCF number.
So the greatest common factor 12 and 30 is 6.

Also check out the Least Common Multiple of 12 and 30

#### Related Greatest Common Factors of 30

##### Recent Comments
Sariyah Cooper 2018-09-06 15:37:57

I love finding the greatest factors

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