Greatest Common Factor of 7209 and 7215

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 7209, 7215 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7209 and 7215 is 3.

GCF(7209,7215) = 3

GCF of 7209 and 7215

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

GCF of:
and

Greatest Common Factor of 7209 and 7215

GCF of 7209 and 7215 is 3

Prime Factorization of 7209


3 7209
3 2403
3 801
3 267
89 89
1

Prime factors of 7209 are 3,89. Prime factorization of 7209 in exponential form is:

7209 = 34×891

Prime Factorization of 7215


3 7215
5 2405
13 481
37 37
1

Prime factors of 7215 are 3,5,13,37. Prime factorization of 7215 in exponential form is:

7215 = 31×51×131×371

∴ So by taking common prime factors GCF of 7209 and 7215 is 3

Greatest Common Factor of 7209 and 7215 by matching factors method

Factors of 7209

List of positive integer factors of 7209 that divides 7209 without a remainder.

1,3,9,27,81,89,267,801,2403,7209

Factors of 7215

List of positive integer factors of 7215 that divides 7215 without a remainder.

1,3,5,13,15,37,39,65,111,185,195,481,555,1443,2405,7215

Greatest Common Factor

We found the factors and prime factorization of 7209 and 7215. The biggest common factor number is the GCF number.
So the greatest common factor 7209 and 7215 is 3.

Also check out the Least Common Multiple of 7209 and 7215

Properties of GCF 7209 and 7215

(i) The GCF of 7209 and 7215 is associative

GCF of 7209 and 7215 = GCF of 7215 and 7209

Related Greatest Common Factor of 7209

Related Greatest Common Factor of 7215

Frequently Asked Questions on GCF of 7209 and 7215

1. What is the GCF of 7209 and 7215?

Answer: GCF of 7209 and 7215 is 3.

2. What are the Factors of 7209?

Answer: Factors of 7209 are 1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209. There are 10 integers that are factors of 7209. The greatest factor of 7209 is 7209.

3. What are the Factors of 7215?

Answer: Factors of 7215 are 1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215. There are 16 integers that are factors of 7215. The greatest factor of 7215 is 7215.

4. How to Find the GCF of 7209 and 7215?

Answer:

Greatest Common Factor of 7209 and 7215 = 3

Step 1: Find the prime factorization of 7209

7209 = 3 x 3 x 3 x 3 x 89

Step 2: Find the prime factorization of 7215

7215 = 3 x 5 x 13 x 37

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 7209 and 7215 is 3