Greatest Common Factor of 144, 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 144, 420 i.e. 12 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 144, 420 is 12.

GCF(144, 420) = 12

GCF of 144, 420

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

GCF of:

Greatest Common Factor of 144,420

GCF of 144,420 is 12

2 144, 420
2 72, 210
3 36, 105
12, 35

∴ So the GCF of the given numbers is 2 x 2 x 3 = 12

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

Factors of 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

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 144,420 . The biggest common factor number is the GCF number.
So the greatest common factor 144,420 is 12.

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 144, 420

1. What is the GCF of 144, 420?

Answer: GCF of 144, 420 is 12.

2. How to Find the GCF of 144, 420

Answer: Greatest Common Factor(GCF) of 144, 420 = 12

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

Step 2: Then multiply all the prime factors GCF(144, 420) = 12.