Greatest Common Factor of 639, 1530

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 639, 1530 i.e. 9 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 639, 1530 is 9.

GCF(639, 1530) = 9

GCF of 639, 1530

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

GCF of:

Greatest Common Factor of 639,1530

GCF of 639,1530 is 9

3 639, 1530
3 213, 510
71, 170

∴ So the GCF of the given numbers is 3 x 3 = 9

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

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Factors of 1530

List of positive integer factors of 1530 that divides 1530 without a remainder.

1,2,3,5,6,9,10,15,17,18,30,34,45,51,85,90,102,153,170,255,306,510,765,1530

Greatest Common Factor

We found the factors 639,1530 . The biggest common factor number is the GCF number.
So the greatest common factor 639,1530 is 9.

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 639, 1530

1. What is the GCF of 639, 1530?

Answer: GCF of 639, 1530 is 9.

2. How to Find the GCF of 639, 1530

Answer: Greatest Common Factor(GCF) of 639, 1530 = 9

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

Step 2: Then multiply all the prime factors GCF(639, 1530) = 9.