What is the Greatest Common Factor of 72385 and 72390?

Greatest common factor (GCF) of 72385 and 72390 is 5.

GCF(72385,72390) = 5

We will now calculate the prime factors of 72385 and 72390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72385 and 72390.

How to find the GCF of 72385 and 72390?

We will first find the prime factorization of 72385 and 72390. After we will calculate the factors of 72385 and 72390 and find the biggest common factor number .

Step-1: Prime Factorization of 72385

Prime factors of 72385 are 5, 31, 467. Prime factorization of 72385 in exponential form is:

72385 = 5¹ × 31¹ × 467¹

Step-2: Prime Factorization of 72390

Prime factors of 72390 are 2, 3, 5, 19, 127. Prime factorization of 72390 in exponential form is:

72390 = 2¹ × 3¹ × 5¹ × 19¹ × 127¹

Step-3: Factors of 72385

List of positive integer factors of 72385 that divides 72385 without a remainder.

1, 5, 31, 155, 467, 2335, 14477

Step-4: Factors of 72390

List of positive integer factors of 72390 that divides 72385 without a remainder.

1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 254, 285, 381, 570, 635, 762, 1270, 1905, 2413, 3810, 4826, 7239, 12065, 14478, 24130, 36195

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72385 and 72390. The biggest common factor number is the GCF number.
So the greatest common factor 72385 and 72390 is 5.

Also check out the Least Common Multiple of 72385 and 72390