What is the Greatest Common Factor of 72065 and 72070?

Greatest common factor (GCF) of 72065 and 72070 is 5.

GCF(72065,72070) = 5

We will now calculate the prime factors of 72065 and 72070, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72065 and 72070.

How to find the GCF of 72065 and 72070?

We will first find the prime factorization of 72065 and 72070. After we will calculate the factors of 72065 and 72070 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 72070

Prime factors of 72070 are 2, 5, 7207. Prime factorization of 72070 in exponential form is:

72070 = 2¹ × 5¹ × 7207¹

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 72070

List of positive integer factors of 72070 that divides 72065 without a remainder.

1, 2, 5, 10, 7207, 14414, 36035

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72065 and 72070. The biggest common factor number is the GCF number.
So the greatest common factor 72065 and 72070 is 5.

Also check out the Least Common Multiple of 72065 and 72070