Greatest Common Factor of 399, 567, 21

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 399, 567, 21 i.e. 21 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 399, 567, 21 is 21.

GCF(399, 567, 21) = 21

GCF of 399, 567, 21

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

GCF of:

Greatest Common Factor of 399,567,21

GCF of 399,567,21 is 21

3 399, 567, 21
7 133, 189, 7
19, 27, 1

∴ So the GCF of the given numbers is 3 x 7 = 21

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

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 567

List of positive integer factors of 567 that divides 567 without a remainder.

1,3,7,9,21,27,63,81,189,567

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 399,567,21 . The biggest common factor number is the GCF number.
So the greatest common factor 399,567,21 is 21.

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 399, 567, 21

1. What is the GCF of 399, 567, 21?

Answer: GCF of 399, 567, 21 is 21.

2. How to Find the GCF of 399, 567, 21

Answer: Greatest Common Factor(GCF) of 399, 567, 21 = 21

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

Step 2: Then multiply all the prime factors GCF(399, 567, 21) = 21.