Greatest Common Factor of 6420, 1640

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 6420, 1640 i.e. 20 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 6420, 1640 is 20.

GCF(6420, 1640) = 20

GCF of 6420, 1640

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

GCF of:

Greatest Common Factor of 6420,1640

GCF of 6420,1640 is 20

2 6420, 1640
2 3210, 820
5 1605, 410
321, 82

∴ So the GCF of the given numbers is 2 x 2 x 5 = 20

Greatest Common Factor (GCF) By Matching Biggest Common Factor Method

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

Factors of 1640

List of positive integer factors of 1640 that divides 1640 without a remainder.

1,2,4,5,8,10,20,40,41,82,164,205,328,410,820,1640

Greatest Common Factor

We found the factors 6420,1640 . The biggest common factor number is the GCF number.
So the greatest common factor 6420,1640 is 20.

GCF of two or more Numbers Calculation Examples

Here are some samples of GCF of two or more Numbers calculations.

Frequently Asked Questions on GCF of 6420, 1640

1. What is the GCF of 6420, 1640?

Answer: GCF of 6420, 1640 is 20.

2. How to Find the GCF of 6420, 1640

Answer: Greatest Common Factor(GCF) of 6420, 1640 = 20

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(6420, 1640) = 20.