What is the Greatest Common Factor of 72289 and 72308?

Greatest common factor (GCF) of 72289 and 72308 is 1.

GCF(72289,72308) = 1

We will now calculate the prime factors of 72289 and 72308, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72289 and 72308.

How to find the GCF of 72289 and 72308?

We will first find the prime factorization of 72289 and 72308. After we will calculate the factors of 72289 and 72308 and find the biggest common factor number .

Step-1: Prime Factorization of 72289

Prime factors of 72289 are 7, 23, 449. Prime factorization of 72289 in exponential form is:

72289 = 7¹ × 23¹ × 449¹

Step-2: Prime Factorization of 72308

Prime factors of 72308 are 2, 18077. Prime factorization of 72308 in exponential form is:

72308 = 2² × 18077¹

Step-3: Factors of 72289

List of positive integer factors of 72289 that divides 72289 without a remainder.

1, 7, 23, 161, 449, 3143, 10327

Step-4: Factors of 72308

List of positive integer factors of 72308 that divides 72289 without a remainder.

1, 2, 4, 18077, 36154

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72289 and 72308. The biggest common factor number is the GCF number.
So the greatest common factor 72289 and 72308 is 1.

Also check out the Least Common Multiple of 72289 and 72308