What is the Greatest Common Factor of 68109 and 68115?

Greatest common factor (GCF) of 68109 and 68115 is 3.

GCF(68109,68115) = 3

We will now calculate the prime factors of 68109 and 68115, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68109 and 68115.

How to find the GCF of 68109 and 68115?

We will first find the prime factorization of 68109 and 68115. After we will calculate the factors of 68109 and 68115 and find the biggest common factor number .

Step-1: Prime Factorization of 68109

Prime factors of 68109 are 3, 73, 311. Prime factorization of 68109 in exponential form is:

68109 = 3¹ × 73¹ × 311¹

Step-2: Prime Factorization of 68115

Prime factors of 68115 are 3, 5, 19, 239. Prime factorization of 68115 in exponential form is:

68115 = 3¹ × 5¹ × 19¹ × 239¹

Step-3: Factors of 68109

List of positive integer factors of 68109 that divides 68109 without a remainder.

1, 3, 73, 219, 311, 933, 22703

Step-4: Factors of 68115

List of positive integer factors of 68115 that divides 68109 without a remainder.

1, 3, 5, 15, 19, 57, 95, 239, 285, 717, 1195, 3585, 4541, 13623, 22705

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68109 and 68115. The biggest common factor number is the GCF number.
So the greatest common factor 68109 and 68115 is 3.

Also check out the Least Common Multiple of 68109 and 68115