Greatest Common Factor of 72, 17, 75, 20, 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 72, 17, 75, 20, 189 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 72, 17, 75, 20, 189 is 1.

GCF(72, 17, 75, 20, 189) = 1

GCF of 72, 17, 75, 20, 189

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

GCF of:

Greatest Common Factor of 72,17,75,20,189

GCF of 72,17,75,20,189 is 1

∴ GCF of numbers is 1 because of no common factors present between them.

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

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

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

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 72,17,75,20,189 . The biggest common factor number is the GCF number.
So the greatest common factor 72,17,75,20,189 is 1.

GCF of two or more Numbers Calculation Examples

Frequently Asked Questions on GCF of 72, 17, 75, 20, 189

1. What is the GCF of 72, 17, 75, 20, 189?

Answer: GCF of 72, 17, 75, 20, 189 is 1.

2. How to Find the GCF of 72, 17, 75, 20, 189

Answer: Greatest Common Factor(GCF) of 72, 17, 75, 20, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 17, 75, 20, 189) = 1.