Greatest Common Factor of 660 and 662

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 660, 662 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 660 and 662 is 2.

GCF(660,662) = 2

GCF of 660 and 662

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

GCF of:
and

Greatest Common Factor of 660 and 662

GCF of 660 and 662 is 2

Prime Factorization of 660


2 660
2 330
3 165
5 55
11 11
1

Prime factors of 660 are 2,3,5,11. Prime factorization of 660 in exponential form is:

660 = 22×31×51×111

Prime Factorization of 662


2 662
331 331
1

Prime factors of 662 are 2,331. Prime factorization of 662 in exponential form is:

662 = 21×3311

∴ So by taking common prime factors GCF of 660 and 662 is 2

Greatest Common Factor of 660 and 662 by matching factors method

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Factors of 662

List of positive integer factors of 662 that divides 662 without a remainder.

1,2,331,662

Greatest Common Factor

We found the factors and prime factorization of 660 and 662. The biggest common factor number is the GCF number.
So the greatest common factor 660 and 662 is 2.

Also check out the Least Common Multiple of 660 and 662

Properties of GCF 660 and 662

(i) The GCF of 660 and 662 is associative

GCF of 660 and 662 = GCF of 662 and 660

Related Greatest Common Factor of 660

Related Greatest Common Factor of 662

Frequently Asked Questions on GCF of 660 and 662

1. What is the GCF of 660 and 662?

Answer: GCF of 660 and 662 is 2.

2. What are the Factors of 660?

Answer: Factors of 660 are 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660. There are 24 integers that are factors of 660. The greatest factor of 660 is 660.

3. What are the Factors of 662?

Answer: Factors of 662 are 1, 2, 331, 662. There are 4 integers that are factors of 662. The greatest factor of 662 is 662.

4. How to Find the GCF of 660 and 662?

Answer:

Greatest Common Factor of 660 and 662 = 2

Step 1: Find the prime factorization of 660

660 = 2 x 2 x 3 x 5 x 11

Step 2: Find the prime factorization of 662

662 = 2 x 331

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

GCF = 2

Step 4: Therefore, the greatest common factor of 660 and 662 is 2