# What is the Greatest Common Factor of 72 and 92?

Greatest common factor (GCF) of 72 and 92 is 4.

GCF(72,92) = 4

We will now calculate the prime factors of 72 and 92, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72 and 92.

GCF Calculator and
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## How to find the GCF of 72 and 92?

We will first find the prime factorization of 72 and 92. After we will calculate the factors of 72 and 92 and find the biggest common factor number .

### Step-1: Prime Factorization of 72

Prime factors of 72 are 2, 3. Prime factorization of 72 in exponential form is:

72 = 23 × 32

### Step-2: Prime Factorization of 92

Prime factors of 92 are 2, 23. Prime factorization of 92 in exponential form is:

92 = 22 × 231

### Step-3: 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

### Step-4: Factors of 92

List of positive integer factors of 92 that divides 72 without a remainder.

1, 2, 4, 23, 46

#### Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72 and 92. The biggest common factor number is the GCF number.
So the greatest common factor 72 and 92 is 4.

Also check out the Least Common Multiple of 72 and 92
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