Greatest Common Factor of 6615 and 6621

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 6615, 6621 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6615 and 6621 is 3.

GCF(6615,6621) = 3

GCF of 6615 and 6621

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

GCF of:
and

Greatest Common Factor of 6615 and 6621

GCF of 6615 and 6621 is 3

Prime Factorization of 6615


3 6615
3 2205
3 735
5 245
7 49
7 7
1

Prime factors of 6615 are 3,5,7. Prime factorization of 6615 in exponential form is:

6615 = 33×51×72

Prime Factorization of 6621


3 6621
2207 2207
1

Prime factors of 6621 are 3,2207. Prime factorization of 6621 in exponential form is:

6621 = 31×22071

∴ So by taking common prime factors GCF of 6615 and 6621 is 3

Greatest Common Factor of 6615 and 6621 by matching factors method

Factors of 6615

List of positive integer factors of 6615 that divides 6615 without a remainder.

1,3,5,7,9,15,21,27,35,45,49,63,105,135,147,189,245,315,441,735,945,1323,2205,6615

Factors of 6621

List of positive integer factors of 6621 that divides 6621 without a remainder.

1,3,2207,6621

Greatest Common Factor

We found the factors and prime factorization of 6615 and 6621. The biggest common factor number is the GCF number.
So the greatest common factor 6615 and 6621 is 3.

Also check out the Least Common Multiple of 6615 and 6621

Properties of GCF 6615 and 6621

(i) The GCF of 6615 and 6621 is associative

GCF of 6615 and 6621 = GCF of 6621 and 6615

Frequently Asked Questions on GCF of 6615 and 6621

1. What is the GCF of 6615 and 6621?

Answer: GCF of 6615 and 6621 is 3.

2. What are the Factors of 6615?

Answer: Factors of 6615 are 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615. There are 24 integers that are factors of 6615. The greatest factor of 6615 is 6615.

3. What are the Factors of 6621?

Answer: Factors of 6621 are 1, 3, 2207, 6621. There are 4 integers that are factors of 6621. The greatest factor of 6621 is 6621.

4. How to Find the GCF of 6615 and 6621?

Answer:

Greatest Common Factor of 6615 and 6621 = 3

Step 1: Find the prime factorization of 6615

6615 = 3 x 3 x 3 x 5 x 7 x 7

Step 2: Find the prime factorization of 6621

6621 = 3 x 2207

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

GCF = 3

Step 4: Therefore, the greatest common factor of 6615 and 6621 is 3