Greatest Common Factor of 688, 7740

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 688, 7740 i.e. 172 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 688, 7740 is 172.

GCF(688, 7740) = 172

GCF of 688, 7740

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

GCF of:

Greatest Common Factor of 688,7740

GCF of 688,7740 is 172

2 688, 7740
2 344, 3870
43 172, 1935
4, 45

∴ So the GCF of the given numbers is 2 x 2 x 43 = 172

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

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 7740

List of positive integer factors of 7740 that divides 7740 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,43,45,60,86,90,129,172,180,215,258,387,430,516,645,774,860,1290,1548,1935,2580,3870,7740

Greatest Common Factor

We found the factors 688,7740 . The biggest common factor number is the GCF number.
So the greatest common factor 688,7740 is 172.

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 688, 7740

1. What is the GCF of 688, 7740?

Answer: GCF of 688, 7740 is 172.

2. How to Find the GCF of 688, 7740

Answer: Greatest Common Factor(GCF) of 688, 7740 = 172

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

Step 2: Then multiply all the prime factors GCF(688, 7740) = 172.