# What is the Greatest Common Factor of 117 and 131?

Greatest common factor (GCF) of 117 and 131 is 1.

GCF(117,131) = 1

We will now calculate the prime factors of 117 and 131, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 117 and 131.

GCF Calculator and
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## How to find the GCF of 117 and 131?

We will first find the prime factorization of 117 and 131. After we will calculate the factors of 117 and 131 and find the biggest common factor number .

### Step-1: Prime Factorization of 117

Prime factors of 117 are 3, 13. Prime factorization of 117 in exponential form is:

117 = 32 × 131

### Step-2: Prime Factorization of 131

Prime factors of 131 are 131. Prime factorization of 131 in exponential form is:

131 = 1311

### Step-3: Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1, 3, 9, 13, 39

### Step-4: Factors of 131

List of positive integer factors of 131 that divides 117 without a remainder.

1

#### Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 117 and 131. The biggest common factor number is the GCF number.
So the greatest common factor 117 and 131 is 1.

Also check out the Least Common Multiple of 117 and 131