Greatest Common Factor of 2540 and 2545

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 2540, 2545 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2540 and 2545 is 5.

GCF(2540,2545) = 5

GCF of 2540 and 2545

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

GCF of:
and

Greatest Common Factor of 2540 and 2545

GCF of 2540 and 2545 is 5

Prime Factorization of 2540


2 2540
2 1270
5 635
127 127
1

Prime factors of 2540 are 2,5,127. Prime factorization of 2540 in exponential form is:

2540 = 22×51×1271

Prime Factorization of 2545


5 2545
509 509
1

Prime factors of 2545 are 5,509. Prime factorization of 2545 in exponential form is:

2545 = 51×5091

∴ So by taking common prime factors GCF of 2540 and 2545 is 5

Greatest Common Factor of 2540 and 2545 by matching factors method

Factors of 2540

List of positive integer factors of 2540 that divides 2540 without a remainder.

1,2,4,5,10,20,127,254,508,635,1270,2540

Factors of 2545

List of positive integer factors of 2545 that divides 2545 without a remainder.

1,5,509,2545

Greatest Common Factor

We found the factors and prime factorization of 2540 and 2545. The biggest common factor number is the GCF number.
So the greatest common factor 2540 and 2545 is 5.

Also check out the Least Common Multiple of 2540 and 2545

Properties of GCF 2540 and 2545

(i) The GCF of 2540 and 2545 is associative

GCF of 2540 and 2545 = GCF of 2545 and 2540

Frequently Asked Questions on GCF of 2540 and 2545

1. What is the GCF of 2540 and 2545?

Answer: GCF of 2540 and 2545 is 5.

2. What are the Factors of 2540?

Answer: Factors of 2540 are 1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540. There are 12 integers that are factors of 2540. The greatest factor of 2540 is 2540.

3. What are the Factors of 2545?

Answer: Factors of 2545 are 1, 5, 509, 2545. There are 4 integers that are factors of 2545. The greatest factor of 2545 is 2545.

4. How to Find the GCF of 2540 and 2545?

Answer:

Greatest Common Factor of 2540 and 2545 = 5

Step 1: Find the prime factorization of 2540

2540 = 2 x 2 x 5 x 127

Step 2: Find the prime factorization of 2545

2545 = 5 x 509

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 2540 and 2545 is 5