Greatest Common Factor of 2178 and 2181

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 2178, 2181 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2178 and 2181 is 3.

GCF(2178,2181) = 3

GCF of 2178 and 2181

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

GCF of:
and

Greatest Common Factor of 2178 and 2181

GCF of 2178 and 2181 is 3

Prime Factorization of 2178


2 2178
3 1089
3 363
11 121
11 11
1

Prime factors of 2178 are 2,3,11. Prime factorization of 2178 in exponential form is:

2178 = 21×32×112

Prime Factorization of 2181


3 2181
727 727
1

Prime factors of 2181 are 3,727. Prime factorization of 2181 in exponential form is:

2181 = 31×7271

∴ So by taking common prime factors GCF of 2178 and 2181 is 3

Greatest Common Factor of 2178 and 2181 by matching factors method

Factors of 2178

List of positive integer factors of 2178 that divides 2178 without a remainder.

1,2,3,6,9,11,18,22,33,66,99,121,198,242,363,726,1089,2178

Factors of 2181

List of positive integer factors of 2181 that divides 2181 without a remainder.

1,3,727,2181

Greatest Common Factor

We found the factors and prime factorization of 2178 and 2181. The biggest common factor number is the GCF number.
So the greatest common factor 2178 and 2181 is 3.

Also check out the Least Common Multiple of 2178 and 2181

Properties of GCF 2178 and 2181

(i) The GCF of 2178 and 2181 is associative

GCF of 2178 and 2181 = GCF of 2181 and 2178

Related Greatest Common Factor of 2178

Related Greatest Common Factor of 2181

Frequently Asked Questions on GCF of 2178 and 2181

1. What is the GCF of 2178 and 2181?

Answer: GCF of 2178 and 2181 is 3.

2. What are the Factors of 2178?

Answer: Factors of 2178 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178. There are 18 integers that are factors of 2178. The greatest factor of 2178 is 2178.

3. What are the Factors of 2181?

Answer: Factors of 2181 are 1, 3, 727, 2181. There are 4 integers that are factors of 2181. The greatest factor of 2181 is 2181.

4. How to Find the GCF of 2178 and 2181?

Answer:

Greatest Common Factor of 2178 and 2181 = 3

Step 1: Find the prime factorization of 2178

2178 = 2 x 3 x 3 x 11 x 11

Step 2: Find the prime factorization of 2181

2181 = 3 x 727

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 2178 and 2181 is 3