Greatest Common Factor of 40, 1980

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 40, 1980 i.e. 20 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 40, 1980 is 20.

GCF(40, 1980) = 20

GCF of 40, 1980

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

GCF of:

Greatest Common Factor of 40,1980

GCF of 40,1980 is 20

2 40, 1980
2 20, 990
5 10, 495
2, 99

∴ So the GCF of the given numbers is 2 x 2 x 5 = 20

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

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 1980

List of positive integer factors of 1980 that divides 1980 without a remainder.

1,2,3,4,5,6,9,10,11,12,15,18,20,22,30,33,36,44,45,55,60,66,90,99,110,132,165,180,198,220,330,396,495,660,990,1980

Greatest Common Factor

We found the factors 40,1980 . The biggest common factor number is the GCF number.
So the greatest common factor 40,1980 is 20.

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 40, 1980

1. What is the GCF of 40, 1980?

Answer: GCF of 40, 1980 is 20.

2. How to Find the GCF of 40, 1980

Answer: Greatest Common Factor(GCF) of 40, 1980 = 20

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

Step 2: Then multiply all the prime factors GCF(40, 1980) = 20.