# Greatest Common Factor of 21, 24, 27

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 21, 24, 27 i.e. 3 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 21, 24, 27 is 3.

GCF(21, 24, 27) = 3

## GCF of 21, 24, 27

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

GCF of:

### Greatest Common Factor (GCF) of 21,24,27 By Common Division

 3 21, 24, 27 7, 8, 9

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

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

Factors of 21

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

1,3,7,21

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 27

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

1,3,9,27

Greatest Common Factor

We found the factors 21,24,27 . The biggest common factor number is the GCF number.
So the greatest common factor 21,24,27 is 3.

### 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 21, 24, 27

1. What is the GCF of 21, 24, 27?

Answer: GCF of 21, 24, 27 is 3.

2. How to Find the GCF of 21, 24, 27

Answer: Greatest Common Factor(GCF) of 21, 24, 27 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 24, 27) = 3.