Greatest Common Factor of 7640 and 7645

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 7640, 7645 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7640 and 7645 is 5.

GCF(7640,7645) = 5

GCF of 7640 and 7645

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

GCF of:
and

Greatest Common Factor of 7640 and 7645

GCF of 7640 and 7645 is 5

Prime Factorization of 7640


2 7640
2 3820
2 1910
5 955
191 191
1

Prime factors of 7640 are 2,5,191. Prime factorization of 7640 in exponential form is:

7640 = 23×51×1911

Prime Factorization of 7645


5 7645
11 1529
139 139
1

Prime factors of 7645 are 5,11,139. Prime factorization of 7645 in exponential form is:

7645 = 51×111×1391

∴ So by taking common prime factors GCF of 7640 and 7645 is 5

Greatest Common Factor of 7640 and 7645 by matching factors method

Factors of 7640

List of positive integer factors of 7640 that divides 7640 without a remainder.

1,2,4,5,8,10,20,40,191,382,764,955,1528,1910,3820,7640

Factors of 7645

List of positive integer factors of 7645 that divides 7645 without a remainder.

1,5,11,55,139,695,1529,7645

Greatest Common Factor

We found the factors and prime factorization of 7640 and 7645. The biggest common factor number is the GCF number.
So the greatest common factor 7640 and 7645 is 5.

Also check out the Least Common Multiple of 7640 and 7645

Properties of GCF 7640 and 7645

(i) The GCF of 7640 and 7645 is associative

GCF of 7640 and 7645 = GCF of 7645 and 7640

Related Greatest Common Factor of 7640

Related Greatest Common Factor of 7645

Frequently Asked Questions on GCF of 7640 and 7645

1. What is the GCF of 7640 and 7645?

Answer: GCF of 7640 and 7645 is 5.

2. What are the Factors of 7640?

Answer: Factors of 7640 are 1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640. There are 16 integers that are factors of 7640. The greatest factor of 7640 is 7640.

3. What are the Factors of 7645?

Answer: Factors of 7645 are 1, 5, 11, 55, 139, 695, 1529, 7645. There are 8 integers that are factors of 7645. The greatest factor of 7645 is 7645.

4. How to Find the GCF of 7640 and 7645?

Answer:

Greatest Common Factor of 7640 and 7645 = 5

Step 1: Find the prime factorization of 7640

7640 = 2 x 2 x 2 x 5 x 191

Step 2: Find the prime factorization of 7645

7645 = 5 x 11 x 139

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 7640 and 7645 is 5