# Greatest Common Factor of 18, 57, 72, 90

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 18, 57, 72, 90 i.e. 3 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 18, 57, 72, 90 is 3.

GCF(18, 57, 72, 90) = 3

## GCF of 18, 57, 72, 90

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

GCF of:

### Greatest Common Factor (GCF) of 18,57,72,90 By Common Division

 3 18, 57, 72, 90 6, 19, 24, 30

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

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

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 18,57,72,90 . The biggest common factor number is the GCF number.
So the greatest common factor 18,57,72,90 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 18, 57, 72, 90

1. What is the GCF of 18, 57, 72, 90?

Answer: GCF of 18, 57, 72, 90 is 3.

2. How to Find the GCF of 18, 57, 72, 90

Answer: Greatest Common Factor(GCF) of 18, 57, 72, 90 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 57, 72, 90) = 3.