What is the Greatest Common Factor of 72065 and 72085?

Greatest common factor (GCF) of 72065 and 72085 is 5.

GCF(72065,72085) = 5

We will now calculate the prime factors of 72065 and 72085, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72065 and 72085.

How to find the GCF of 72065 and 72085?

We will first find the prime factorization of 72065 and 72085. After we will calculate the factors of 72065 and 72085 and find the biggest common factor number .

Step-1: Prime Factorization of 72065

Prime factors of 72065 are 5, 7, 29, 71. Prime factorization of 72065 in exponential form is:

72065 = 5¹ × 7¹ × 29¹ × 71¹

Step-2: Prime Factorization of 72085

Prime factors of 72085 are 5, 13, 1109. Prime factorization of 72085 in exponential form is:

72085 = 5¹ × 13¹ × 1109¹

Step-3: Factors of 72065

List of positive integer factors of 72065 that divides 72065 without a remainder.

1, 5, 7, 29, 35, 71, 145, 203, 355, 497, 1015, 2059, 2485, 10295, 14413

Step-4: Factors of 72085

List of positive integer factors of 72085 that divides 72065 without a remainder.

1, 5, 13, 65, 1109, 5545, 14417

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72065 and 72085. The biggest common factor number is the GCF number.
So the greatest common factor 72065 and 72085 is 5.

Also check out the Least Common Multiple of 72065 and 72085