Greatest Common Factor of 780, 1605

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 780, 1605 i.e. 15 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 780, 1605 is 15.

GCF(780, 1605) = 15

GCF of 780, 1605

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

GCF of:

Greatest Common Factor of 780,1605

GCF of 780,1605 is 15

3 780, 1605
5 260, 535
52, 107

∴ So the GCF of the given numbers is 3 x 5 = 15

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

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Factors of 1605

List of positive integer factors of 1605 that divides 1605 without a remainder.

1,3,5,15,107,321,535,1605

Greatest Common Factor

We found the factors 780,1605 . The biggest common factor number is the GCF number.
So the greatest common factor 780,1605 is 15.

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 780, 1605

1. What is the GCF of 780, 1605?

Answer: GCF of 780, 1605 is 15.

2. How to Find the GCF of 780, 1605

Answer: Greatest Common Factor(GCF) of 780, 1605 = 15

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

Step 2: Then multiply all the prime factors GCF(780, 1605) = 15.