Greatest Common Factor of 2145 and 2151

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 2145, 2151 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2145 and 2151 is 3.

GCF(2145,2151) = 3

GCF of 2145 and 2151

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

GCF of:
and

Greatest Common Factor of 2145 and 2151

GCF of 2145 and 2151 is 3

Prime Factorization of 2145


3 2145
5 715
11 143
13 13
1

Prime factors of 2145 are 3,5,11,13. Prime factorization of 2145 in exponential form is:

2145 = 31×51×111×131

Prime Factorization of 2151


3 2151
3 717
239 239
1

Prime factors of 2151 are 3,239. Prime factorization of 2151 in exponential form is:

2151 = 32×2391

∴ So by taking common prime factors GCF of 2145 and 2151 is 3

Greatest Common Factor of 2145 and 2151 by matching factors method

Factors of 2145

List of positive integer factors of 2145 that divides 2145 without a remainder.

1,3,5,11,13,15,33,39,55,65,143,165,195,429,715,2145

Factors of 2151

List of positive integer factors of 2151 that divides 2151 without a remainder.

1,3,9,239,717,2151

Greatest Common Factor

We found the factors and prime factorization of 2145 and 2151. The biggest common factor number is the GCF number.
So the greatest common factor 2145 and 2151 is 3.

Also check out the Least Common Multiple of 2145 and 2151

Properties of GCF 2145 and 2151

(i) The GCF of 2145 and 2151 is associative

GCF of 2145 and 2151 = GCF of 2151 and 2145

Related Greatest Common Factor of 2145

Related Greatest Common Factor of 2151

Frequently Asked Questions on GCF of 2145 and 2151

1. What is the GCF of 2145 and 2151?

Answer: GCF of 2145 and 2151 is 3.

2. What are the Factors of 2145?

Answer: Factors of 2145 are 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145. There are 16 integers that are factors of 2145. The greatest factor of 2145 is 2145.

3. What are the Factors of 2151?

Answer: Factors of 2151 are 1, 3, 9, 239, 717, 2151. There are 6 integers that are factors of 2151. The greatest factor of 2151 is 2151.

4. How to Find the GCF of 2145 and 2151?

Answer:

Greatest Common Factor of 2145 and 2151 = 3

Step 1: Find the prime factorization of 2145

2145 = 3 x 5 x 11 x 13

Step 2: Find the prime factorization of 2151

2151 = 3 x 3 x 239

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 2145 and 2151 is 3