Greatest Common Factor of 27, 51, 21, 6, 25

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 27, 51, 21, 6, 25 i.e. 1 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 27, 51, 21, 6, 25 is 1.

GCF(27, 51, 21, 6, 25) = 1

GCF of 27, 51, 21, 6, 25

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

GCF of:

Greatest Common Factor of 27,51,21,6,25

GCF of 27,51,21,6,25 is 1

∴ GCF of numbers is 1 because of no common factors present between them.

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

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 21

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

1,3,7,21

Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 27,51,21,6,25 . The biggest common factor number is the GCF number.
So the greatest common factor 27,51,21,6,25 is 1.

GCF of two or more Numbers Calculation Examples

Frequently Asked Questions on GCF of 27, 51, 21, 6, 25

1. What is the GCF of 27, 51, 21, 6, 25?

Answer: GCF of 27, 51, 21, 6, 25 is 1.

2. How to Find the GCF of 27, 51, 21, 6, 25

Answer: Greatest Common Factor(GCF) of 27, 51, 21, 6, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 51, 21, 6, 25) = 1.