Greatest Common Factor of 686, 420

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 686, 420 i.e. 14 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 686, 420 is 14.

GCF(686, 420) = 14

GCF of 686, 420

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

GCF of:

Greatest Common Factor of 686,420

GCF of 686,420 is 14

2 686, 420
7 343, 210
49, 30

∴ So the GCF of the given numbers is 2 x 7 = 14

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

Factors of 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 686,420 . The biggest common factor number is the GCF number.
So the greatest common factor 686,420 is 14.

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 686, 420

1. What is the GCF of 686, 420?

Answer: GCF of 686, 420 is 14.

2. How to Find the GCF of 686, 420

Answer: Greatest Common Factor(GCF) of 686, 420 = 14

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

Step 2: Then multiply all the prime factors GCF(686, 420) = 14.