Greatest Common Factor of 2445 and 2451

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 2445, 2451 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2445 and 2451 is 3.

GCF(2445,2451) = 3

GCF of 2445 and 2451

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

GCF of:
and

Greatest Common Factor of 2445 and 2451

GCF of 2445 and 2451 is 3

Prime Factorization of 2445


3 2445
5 815
163 163
1

Prime factors of 2445 are 3,5,163. Prime factorization of 2445 in exponential form is:

2445 = 31×51×1631

Prime Factorization of 2451


3 2451
19 817
43 43
1

Prime factors of 2451 are 3,19,43. Prime factorization of 2451 in exponential form is:

2451 = 31×191×431

∴ So by taking common prime factors GCF of 2445 and 2451 is 3

Greatest Common Factor of 2445 and 2451 by matching factors method

Factors of 2445

List of positive integer factors of 2445 that divides 2445 without a remainder.

1,3,5,15,163,489,815,2445

Factors of 2451

List of positive integer factors of 2451 that divides 2451 without a remainder.

1,3,19,43,57,129,817,2451

Greatest Common Factor

We found the factors and prime factorization of 2445 and 2451. The biggest common factor number is the GCF number.
So the greatest common factor 2445 and 2451 is 3.

Also check out the Least Common Multiple of 2445 and 2451

Properties of GCF 2445 and 2451

(i) The GCF of 2445 and 2451 is associative

GCF of 2445 and 2451 = GCF of 2451 and 2445

Frequently Asked Questions on GCF of 2445 and 2451

1. What is the GCF of 2445 and 2451?

Answer: GCF of 2445 and 2451 is 3.

2. What are the Factors of 2445?

Answer: Factors of 2445 are 1, 3, 5, 15, 163, 489, 815, 2445. There are 8 integers that are factors of 2445. The greatest factor of 2445 is 2445.

3. What are the Factors of 2451?

Answer: Factors of 2451 are 1, 3, 19, 43, 57, 129, 817, 2451. There are 8 integers that are factors of 2451. The greatest factor of 2451 is 2451.

4. How to Find the GCF of 2445 and 2451?

Answer:

Greatest Common Factor of 2445 and 2451 = 3

Step 1: Find the prime factorization of 2445

2445 = 3 x 5 x 163

Step 2: Find the prime factorization of 2451

2451 = 3 x 19 x 43

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 2445 and 2451 is 3