Greatest Common Factor of 642, 990

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

Greatest common factor (GCF) of 642, 990 is 6.

GCF(642, 990) = 6

GCF of 642, 990

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

GCF of:

Greatest Common Factor of 642,990

GCF of 642,990 is 6

2 642, 990
3 321, 495
107, 165

∴ 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 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 642,990 . The biggest common factor number is the GCF number.
So the greatest common factor 642,990 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, 990

1. What is the GCF of 642, 990?

Answer: GCF of 642, 990 is 6.

2. How to Find the GCF of 642, 990

Answer: Greatest Common Factor(GCF) of 642, 990 = 6

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

Step 2: Then multiply all the prime factors GCF(642, 990) = 6.