Greatest Common Factor of 42, 70, 78, 188

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, 70, 78, 188 i.e. 2 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 42, 70, 78, 188 is 2.

GCF(42, 70, 78, 188) = 2

GCF of 42, 70, 78, 188

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

GCF of:

Greatest Common Factor of 42,70,78,188

GCF of 42,70,78,188 is 2

2 42, 70, 78, 188
21, 35, 39, 94

∴ 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 188

List of positive integer factors of 188 that divides 188 without a remainder.

1,2,4,47,94,188

Greatest Common Factor

We found the factors 42,70,78,188 . The biggest common factor number is the GCF number.
So the greatest common factor 42,70,78,188 is 2.

GCF of two or more Numbers Calculation Examples

Frequently Asked Questions on GCF of 42, 70, 78, 188

1. What is the GCF of 42, 70, 78, 188?

Answer: GCF of 42, 70, 78, 188 is 2.

2. How to Find the GCF of 42, 70, 78, 188

Answer: Greatest Common Factor(GCF) of 42, 70, 78, 188 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 70, 78, 188) = 2.