Greatest Common Factor of 255, 1989

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 255, 1989 i.e. 51 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 255, 1989 is 51.

GCF(255, 1989) = 51

GCF of 255, 1989

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

GCF of:

Greatest Common Factor of 255,1989

GCF of 255,1989 is 51

3 255, 1989
17 85, 663
5, 39

∴ So the GCF of the given numbers is 3 x 17 = 51

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

Factors of 255

List of positive integer factors of 255 that divides 255 without a remainder.

1,3,5,15,17,51,85,255

Factors of 1989

List of positive integer factors of 1989 that divides 1989 without a remainder.

1,3,9,13,17,39,51,117,153,221,663,1989

Greatest Common Factor

We found the factors 255,1989 . The biggest common factor number is the GCF number.
So the greatest common factor 255,1989 is 51.

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 255, 1989

1. What is the GCF of 255, 1989?

Answer: GCF of 255, 1989 is 51.

2. How to Find the GCF of 255, 1989

Answer: Greatest Common Factor(GCF) of 255, 1989 = 51

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

Step 2: Then multiply all the prime factors GCF(255, 1989) = 51.