Greatest Common Factor of 561, 646

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 561, 646 i.e. 17 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 561, 646 is 17.

GCF(561, 646) = 17

GCF of 561, 646

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

GCF of:

Greatest Common Factor of 561,646

GCF of 561,646 is 17

17 561, 646
33, 38

∴ So the GCF of the given numbers is 17 = 17

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

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 561,646 . The biggest common factor number is the GCF number.
So the greatest common factor 561,646 is 17.

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 561, 646

1. What is the GCF of 561, 646?

Answer: GCF of 561, 646 is 17.

2. How to Find the GCF of 561, 646

Answer: Greatest Common Factor(GCF) of 561, 646 = 17

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

Step 2: Then multiply all the prime factors GCF(561, 646) = 17.