Greatest Common Factor of 728, 640

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 728, 640 i.e. 8 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 728, 640 is 8.

GCF(728, 640) = 8

GCF of 728, 640

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

GCF of:

Greatest Common Factor of 728,640

GCF of 728,640 is 8

2 728, 640
2 364, 320
2 182, 160
91, 80

∴ So the GCF of the given numbers is 2 x 2 x 2 = 8

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

Factors of 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 728,640 . The biggest common factor number is the GCF number.
So the greatest common factor 728,640 is 8.

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 728, 640

1. What is the GCF of 728, 640?

Answer: GCF of 728, 640 is 8.

2. How to Find the GCF of 728, 640

Answer: Greatest Common Factor(GCF) of 728, 640 = 8

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

Step 2: Then multiply all the prime factors GCF(728, 640) = 8.