Greatest Common Factor of 690, 7920

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 690, 7920 i.e. 30 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 690, 7920 is 30.

GCF(690, 7920) = 30

GCF of 690, 7920

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

GCF of:

Greatest Common Factor of 690,7920

GCF of 690,7920 is 30

2 690, 7920
3 345, 3960
5 115, 1320
23, 264

∴ So the GCF of the given numbers is 2 x 3 x 5 = 30

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

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 7920

List of positive integer factors of 7920 that divides 7920 without a remainder.

1,2,3,4,5,6,8,9,10,11,12,15,16,18,20,22,24,30,33,36,40,44,45,48,55,60,66,72,80,88,90,99,110,120,132,144,165,176,180,198,220,240,264,330,360,396,440,495,528,660,720,792,880,990,1320,1584,1980,2640,3960,7920

Greatest Common Factor

We found the factors 690,7920 . The biggest common factor number is the GCF number.
So the greatest common factor 690,7920 is 30.

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 690, 7920

1. What is the GCF of 690, 7920?

Answer: GCF of 690, 7920 is 30.

2. How to Find the GCF of 690, 7920

Answer: Greatest Common Factor(GCF) of 690, 7920 = 30

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

Step 2: Then multiply all the prime factors GCF(690, 7920) = 30.