What is the Greatest Common Factor of 65115 and 65121?

Greatest common factor (GCF) of 65115 and 65121 is 3.

GCF(65115,65121) = 3

We will now calculate the prime factors of 65115 and 65121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65115 and 65121.

How to find the GCF of 65115 and 65121?

We will first find the prime factorization of 65115 and 65121. After we will calculate the factors of 65115 and 65121 and find the biggest common factor number .

Step-1: Prime Factorization of 65115

Prime factors of 65115 are 3, 5, 1447. Prime factorization of 65115 in exponential form is:

65115 = 3² × 5¹ × 1447¹

Step-2: Prime Factorization of 65121

Prime factors of 65121 are 3, 7, 443. Prime factorization of 65121 in exponential form is:

65121 = 3¹ × 7² × 443¹

Step-3: Factors of 65115

List of positive integer factors of 65115 that divides 65115 without a remainder.

1, 3, 5, 9, 15, 45, 1447, 4341, 7235, 13023, 21705

Step-4: Factors of 65121

List of positive integer factors of 65121 that divides 65115 without a remainder.

1, 3, 7, 21, 49, 147, 443, 1329, 3101, 9303, 21707

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65115 and 65121. The biggest common factor number is the GCF number.
So the greatest common factor 65115 and 65121 is 3.

Also check out the Least Common Multiple of 65115 and 65121