What is the Greatest Common Factor of 39159 and 39165?

Greatest common factor (GCF) of 39159 and 39165 is 3.

GCF(39159,39165) = 3

We will now calculate the prime factors of 39159 and 39165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39159 and 39165.

How to find the GCF of 39159 and 39165?

We will first find the prime factorization of 39159 and 39165. After we will calculate the factors of 39159 and 39165 and find the biggest common factor number .

Step-1: Prime Factorization of 39159

Prime factors of 39159 are 3, 19, 229. Prime factorization of 39159 in exponential form is:

39159 = 3² × 19¹ × 229¹

Step-2: Prime Factorization of 39165

Prime factors of 39165 are 3, 5, 7, 373. Prime factorization of 39165 in exponential form is:

39165 = 3¹ × 5¹ × 7¹ × 373¹

Step-3: Factors of 39159

List of positive integer factors of 39159 that divides 39159 without a remainder.

1, 3, 9, 19, 57, 171, 229, 687, 2061, 4351, 13053

Step-4: Factors of 39165

List of positive integer factors of 39165 that divides 39159 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 373, 1119, 1865, 2611, 5595, 7833, 13055

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39159 and 39165. The biggest common factor number is the GCF number.
So the greatest common factor 39159 and 39165 is 3.

Also check out the Least Common Multiple of 39159 and 39165