Greatest Common Factor of 291 and 297

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 291, 297 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 291 and 297 is 3.

GCF(291,297) = 3

GCF of 291 and 297

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

GCF of:
and

Greatest Common Factor of 291 and 297

GCF of 291 and 297 is 3

Prime Factorization of 291


3 291
97 97
1

Prime factors of 291 are 3,97. Prime factorization of 291 in exponential form is:

291 = 31×971

Prime Factorization of 297


3 297
3 99
3 33
11 11
1

Prime factors of 297 are 3,11. Prime factorization of 297 in exponential form is:

297 = 33×111

∴ So by taking common prime factors GCF of 291 and 297 is 3

Greatest Common Factor of 291 and 297 by matching factors method

Factors of 291

List of positive integer factors of 291 that divides 291 without a remainder.

1,3,97,291

Factors of 297

List of positive integer factors of 297 that divides 297 without a remainder.

1,3,9,11,27,33,99,297

Greatest Common Factor

We found the factors and prime factorization of 291 and 297. The biggest common factor number is the GCF number.
So the greatest common factor 291 and 297 is 3.

Also check out the Least Common Multiple of 291 and 297

Properties of GCF 291 and 297

(i) The GCF of 291 and 297 is associative

GCF of 291 and 297 = GCF of 297 and 291

Related Greatest Common Factor of 291

Related Greatest Common Factor of 297

Frequently Asked Questions on GCF of 291 and 297

1. What is the GCF of 291 and 297?

Answer: GCF of 291 and 297 is 3.

2. What are the Factors of 291?

Answer: Factors of 291 are 1, 3, 97, 291. There are 4 integers that are factors of 291. The greatest factor of 291 is 291.

3. What are the Factors of 297?

Answer: Factors of 297 are 1, 3, 9, 11, 27, 33, 99, 297. There are 8 integers that are factors of 297. The greatest factor of 297 is 297.

4. How to Find the GCF of 291 and 297?

Answer:

Greatest Common Factor of 291 and 297 = 3

Step 1: Find the prime factorization of 291

291 = 3 x 97

Step 2: Find the prime factorization of 297

297 = 3 x 3 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 = 3

Step 4: Therefore, the greatest common factor of 291 and 297 is 3