Greatest Common Factor of 208, 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 208, 420 i.e. 4 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 208, 420 is 4.

GCF(208, 420) = 4

GCF of 208, 420

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

GCF of:

Greatest Common Factor of 208,420

GCF of 208,420 is 4

2 208, 420
2 104, 210
52, 105

∴ So the GCF of the given numbers is 2 x 2 = 4

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

Factors of 208

List of positive integer factors of 208 that divides 208 without a remainder.

1,2,4,8,13,16,26,52,104,208

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 208,420 . The biggest common factor number is the GCF number.
So the greatest common factor 208,420 is 4.

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 208, 420

1. What is the GCF of 208, 420?

Answer: GCF of 208, 420 is 4.

2. How to Find the GCF of 208, 420

Answer: Greatest Common Factor(GCF) of 208, 420 = 4

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

Step 2: Then multiply all the prime factors GCF(208, 420) = 4.