# What is the Greatest Common Factor of 24 and 36?

Greatest common factor (GCF) of 24 and 36 is **12**.

GCF(24,36) = 12

We will now calculate the prime factors of **24 and 36**, than find the greatest common factor *(greatest common divisor (gcd))* of the numbers by matching the biggest common factor of 24 and 36.

## How to find the GCF of 24 and 36?

We will first find the prime factorization of 24 and 36. After we will calculate the factors of 24 and 36 and find the biggest common factor number .

### Step-1: Prime Factorization of 24

Prime factors of 24 are 2, 3. Prime factorization of **24** in exponential form is:

24 = 2^{3} × 3^{1}

### Step-2: Prime Factorization of 36

Prime factors of 36 are 2, 3. Prime factorization of **36** in exponential form is:

36 = 2^{2} × 3^{2}

### Step-3: Factors of 24

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

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

### Step-4: Factors of 36

List of positive integer factors of 36 that divides 24 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18

#### Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 24 and 36. The biggest common factor number is the **GCF** number.

So the **greatest common factor 24 and 36** is **12**.

Also check out the Least Common Multiple of 24 and 36

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