# Greatest Common Factor of 45, 75, 90, 123

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 45, 75, 90, 123 i.e. 3 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 45, 75, 90, 123 is 3.

GCF(45, 75, 90, 123) = 3

## GCF of 45, 75, 90, 123

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

GCF of:

### Greatest Common Factor (GCF) of 45,75,90,123 By Common Division

 3 45, 75, 90, 123 15, 25, 30, 41

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

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

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

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

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 45,75,90,123 . The biggest common factor number is the GCF number.
So the greatest common factor 45,75,90,123 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 45, 75, 90, 123

1. What is the GCF of 45, 75, 90, 123?

Answer: GCF of 45, 75, 90, 123 is 3.

2. How to Find the GCF of 45, 75, 90, 123

Answer: Greatest Common Factor(GCF) of 45, 75, 90, 123 = 3

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

Step 2: Then multiply all the prime factors GCF(45, 75, 90, 123) = 3.