Greatest Common Factor of 663, 390

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 663, 390 i.e. 39 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 663, 390 is 39.

GCF(663, 390) = 39

GCF of 663, 390

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

GCF of:

Greatest Common Factor of 663,390

GCF of 663,390 is 39

3 663, 390
13 221, 130
17, 10

∴ So the GCF of the given numbers is 3 x 13 = 39

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

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 663,390 . The biggest common factor number is the GCF number.
So the greatest common factor 663,390 is 39.

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 663, 390

1. What is the GCF of 663, 390?

Answer: GCF of 663, 390 is 39.

2. How to Find the GCF of 663, 390

Answer: Greatest Common Factor(GCF) of 663, 390 = 39

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

Step 2: Then multiply all the prime factors GCF(663, 390) = 39.