# What is the GCF of 4 and 9?

The greatest common factor or the highest common factor of two or more numbers is the maximum possible number which exactly divides the given numbers.

## Answer: GCF of 4 and 9 is 1

## Explanation:

Two methods to find the GCF of 4 and 9 are explained below.

## Methods to find GCF of 4 and 9

The GCF or HCF can be calculated by the below-mentioned methods.

- List of common factors
- Long division

### Listing the Common Factors Way to Find GCF(4, 9)

Common Factors of 4 and 9: 1

The greatest common factor is 1

GCF of 4 and 9 is 1

### Long Division Way to Find GCF(4, 9)

Divide 9 by 4 and check the remainder. Make the remainder of the above step as the divisor and the divisor of the above step as the dividend and perform the long division again. Continue till you get the remainder as 0.

GCF can be calculated in any of the above methods but the solution will be the same.