Greatest Common Factor of 168, 189

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 168, 189 i.e. 21 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 168, 189 is 21.

GCF(168, 189) = 21

GCF of 168, 189

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

GCF of:

Greatest Common Factor of 168,189

GCF of 168,189 is 21

3 168, 189
7 56, 63
8, 9

∴ So the GCF of the given numbers is 3 x 7 = 21

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

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 168,189 . The biggest common factor number is the GCF number.
So the greatest common factor 168,189 is 21.

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 168, 189

1. What is the GCF of 168, 189?

Answer: GCF of 168, 189 is 21.

2. How to Find the GCF of 168, 189

Answer: Greatest Common Factor(GCF) of 168, 189 = 21

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

Step 2: Then multiply all the prime factors GCF(168, 189) = 21.