Greatest Common Factor of 42, 90, 82, 172

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 42, 90, 82, 172 i.e. 2 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 42, 90, 82, 172 is 2.

GCF(42, 90, 82, 172) = 2

GCF of 42, 90, 82, 172

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

GCF of:

Greatest Common Factor of 42,90,82,172

GCF of 42,90,82,172 is 2

2 42, 90, 82, 172
21, 45, 41, 86

∴ So the GCF of the given numbers is 2 = 2

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

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 42,90,82,172 . The biggest common factor number is the GCF number.
So the greatest common factor 42,90,82,172 is 2.

GCF of two or more Numbers Calculation Examples

Frequently Asked Questions on GCF of 42, 90, 82, 172

1. What is the GCF of 42, 90, 82, 172?

Answer: GCF of 42, 90, 82, 172 is 2.

2. How to Find the GCF of 42, 90, 82, 172

Answer: Greatest Common Factor(GCF) of 42, 90, 82, 172 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 90, 82, 172) = 2.