Greatest Common Factor of 42, 189, 646

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, 189, 646 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 42, 189, 646 is 1.

GCF(42, 189, 646) = 1

GCF of 42, 189, 646

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

GCF of:

Greatest Common Factor of 42,189,646

GCF of 42,189,646 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 42

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

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

Factors of 189

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

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

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 42,189,646 . The biggest common factor number is the GCF number.
So the greatest common factor 42,189,646 is 1.

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 42, 189, 646

1. What is the GCF of 42, 189, 646?

Answer: GCF of 42, 189, 646 is 1.

2. How to Find the GCF of 42, 189, 646

Answer: Greatest Common Factor(GCF) of 42, 189, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 189, 646) = 1.