Greatest Common Factor of 6415 and 6420

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 6415, 6420 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6415 and 6420 is 5.

GCF(6415,6420) = 5

GCF of 6415 and 6420

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

GCF of:
and

Greatest Common Factor of 6415 and 6420

GCF of 6415 and 6420 is 5

Prime Factorization of 6415


5 6415
1283 1283
1

Prime factors of 6415 are 5,1283. Prime factorization of 6415 in exponential form is:

6415 = 51×12831

Prime Factorization of 6420


2 6420
2 3210
3 1605
5 535
107 107
1

Prime factors of 6420 are 2,3,5,107. Prime factorization of 6420 in exponential form is:

6420 = 22×31×51×1071

∴ So by taking common prime factors GCF of 6415 and 6420 is 5

Greatest Common Factor of 6415 and 6420 by matching factors method

Factors of 6415

List of positive integer factors of 6415 that divides 6415 without a remainder.

1,5,1283,6415

Factors of 6420

List of positive integer factors of 6420 that divides 6420 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60,107,214,321,428,535,642,1070,1284,1605,2140,3210,6420

Greatest Common Factor

We found the factors and prime factorization of 6415 and 6420. The biggest common factor number is the GCF number.
So the greatest common factor 6415 and 6420 is 5.

Also check out the Least Common Multiple of 6415 and 6420

Properties of GCF 6415 and 6420

(i) The GCF of 6415 and 6420 is associative

GCF of 6415 and 6420 = GCF of 6420 and 6415

Related Greatest Common Factor of 6415

Related Greatest Common Factor of 6420

Frequently Asked Questions on GCF of 6415 and 6420

1. What is the GCF of 6415 and 6420?

Answer: GCF of 6415 and 6420 is 5.

2. What are the Factors of 6415?

Answer: Factors of 6415 are 1, 5, 1283, 6415. There are 4 integers that are factors of 6415. The greatest factor of 6415 is 6415.

3. What are the Factors of 6420?

Answer: Factors of 6420 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420. There are 24 integers that are factors of 6420. The greatest factor of 6420 is 6420.

4. How to Find the GCF of 6415 and 6420?

Answer:

Greatest Common Factor of 6415 and 6420 = 5

Step 1: Find the prime factorization of 6415

6415 = 5 x 1283

Step 2: Find the prime factorization of 6420

6420 = 2 x 2 x 3 x 5 x 107

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 6415 and 6420 is 5