# Greatest Common Factor of 60 and 66

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 60, 66 i.e. 6 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 60 and 66 is 6.

GCF(60,66) = 6

## GCF of 60 and 66

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

### Greatest Common Factor of 60 and 66 by Prime factorization method

Prime Factorization of 60

 2 60 2 30 3 15 5 5 1

Prime factors of 60 are 2,3,5. Prime factorization of 60 in exponential form is:

60 = 22×31×51

Prime Factorization of 66

 2 66 3 33 11 11 1

Prime factors of 66 are 2,3,11. Prime factorization of 66 in exponential form is:

66 = 21×31×111

∴ So by taking common prime factors GCF of 60 and 66 is 6

### Greatest Common Factor of 60 and 66 by matching factors method

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Greatest Common Factor

We found the factors and prime factorization of 60 and 66. The biggest common factor number is the GCF number.
So the greatest common factor 60 and 66 is 6.

Also check out the Least Common Multiple of 60 and 66

### Properties of GCF 60 and 66

(i) The GCF of 60 and 66 is associative

GCF of 60 and 66 = GCF of 66 and 60

### Frequently Asked Questions on GCF of 60 and 66

1. What is the GCF of 60 and 66?

Answer: GCF of 60 and 66 is 6.

2. What are the Factors of 60?

Answer: Factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. There are 12 integers that are factors of 60. The greatest factor of 60 is 60.

3. What are the Factors of 66?

Answer: Factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66. There are 8 integers that are factors of 66. The greatest factor of 66 is 66.

4. How to Find the GCF of 60 and 66?

Greatest Common Factor of 60 and 66 = 6

Step 1: Find the prime factorization of 60

60 = 2 x 2 x 3 x 5

Step 2: Find the prime factorization of 66

66 = 2 x 3 x 11

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2 x 3 = 6

Step 4: Therefore, the greatest common factor of 60 and 66 is 6