What is the Greatest Common Factor of 72305 and 72318?

Greatest common factor (GCF) of 72305 and 72318 is 1.

GCF(72305,72318) = 1

We will now calculate the prime factors of 72305 and 72318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72305 and 72318.

How to find the GCF of 72305 and 72318?

We will first find the prime factorization of 72305 and 72318. After we will calculate the factors of 72305 and 72318 and find the biggest common factor number .

Step-1: Prime Factorization of 72305

Prime factors of 72305 are 5, 14461. Prime factorization of 72305 in exponential form is:

72305 = 5¹ × 14461¹

Step-2: Prime Factorization of 72318

Prime factors of 72318 are 2, 3, 17, 709. Prime factorization of 72318 in exponential form is:

72318 = 2¹ × 3¹ × 17¹ × 709¹

Step-3: Factors of 72305

List of positive integer factors of 72305 that divides 72305 without a remainder.

1, 5, 14461

Step-4: Factors of 72318

List of positive integer factors of 72318 that divides 72305 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 709, 1418, 2127, 4254, 12053, 24106, 36159

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72305 and 72318. The biggest common factor number is the GCF number.
So the greatest common factor 72305 and 72318 is 1.

Also check out the Least Common Multiple of 72305 and 72318