Greatest Common Factor of 642, 438

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 642, 438 i.e. 6 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 642, 438 is 6.

GCF(642, 438) = 6

GCF of 642, 438

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

GCF of:

Greatest Common Factor of 642,438

GCF of 642,438 is 6

2 642, 438
3 321, 219
107, 73

∴ So the GCF of the given numbers is 2 x 3 = 6

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

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 642,438 . The biggest common factor number is the GCF number.
So the greatest common factor 642,438 is 6.

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 642, 438

1. What is the GCF of 642, 438?

Answer: GCF of 642, 438 is 6.

2. How to Find the GCF of 642, 438

Answer: Greatest Common Factor(GCF) of 642, 438 = 6

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

Step 2: Then multiply all the prime factors GCF(642, 438) = 6.