What is the Greatest Common Factor of 72609 and 72615?

Greatest common factor (GCF) of 72609 and 72615 is 3.

GCF(72609,72615) = 3

We will now calculate the prime factors of 72609 and 72615, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72609 and 72615.

How to find the GCF of 72609 and 72615?

We will first find the prime factorization of 72609 and 72615. After we will calculate the factors of 72609 and 72615 and find the biggest common factor number .

Step-1: Prime Factorization of 72609

Prime factors of 72609 are 3, 24203. Prime factorization of 72609 in exponential form is:

72609 = 3¹ × 24203¹

Step-2: Prime Factorization of 72615

Prime factors of 72615 are 3, 5, 47, 103. Prime factorization of 72615 in exponential form is:

72615 = 3¹ × 5¹ × 47¹ × 103¹

Step-3: Factors of 72609

List of positive integer factors of 72609 that divides 72609 without a remainder.

1, 3, 24203

Step-4: Factors of 72615

List of positive integer factors of 72615 that divides 72609 without a remainder.

1, 3, 5, 15, 47, 103, 141, 235, 309, 515, 705, 1545, 4841, 14523, 24205

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72609 and 72615. The biggest common factor number is the GCF number.
So the greatest common factor 72609 and 72615 is 3.

Also check out the Least Common Multiple of 72609 and 72615