Greatest Common Factor of 221, 780

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 221, 780 i.e. 13 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 221, 780 is 13.

GCF(221, 780) = 13

GCF of 221, 780

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

GCF of:

Greatest Common Factor of 221,780

GCF of 221,780 is 13

13 221, 780
17, 60

∴ So the GCF of the given numbers is 13 = 13

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

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

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

Greatest Common Factor

We found the factors 221,780 . The biggest common factor number is the GCF number.
So the greatest common factor 221,780 is 13.

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 221, 780

1. What is the GCF of 221, 780?

Answer: GCF of 221, 780 is 13.

2. How to Find the GCF of 221, 780

Answer: Greatest Common Factor(GCF) of 221, 780 = 13

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

Step 2: Then multiply all the prime factors GCF(221, 780) = 13.