What is the Greatest Common Factor of 72965 and 72980?

Greatest common factor (GCF) of 72965 and 72980 is 5.

GCF(72965,72980) = 5

We will now calculate the prime factors of 72965 and 72980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72965 and 72980.

How to find the GCF of 72965 and 72980?

We will first find the prime factorization of 72965 and 72980. After we will calculate the factors of 72965 and 72980 and find the biggest common factor number .

Step-1: Prime Factorization of 72965

Prime factors of 72965 are 5, 14593. Prime factorization of 72965 in exponential form is:

72965 = 5¹ × 14593¹

Step-2: Prime Factorization of 72980

Prime factors of 72980 are 2, 5, 41, 89. Prime factorization of 72980 in exponential form is:

72980 = 2² × 5¹ × 41¹ × 89¹

Step-3: Factors of 72965

List of positive integer factors of 72965 that divides 72965 without a remainder.

1, 5, 14593

Step-4: Factors of 72980

List of positive integer factors of 72980 that divides 72965 without a remainder.

1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 7298, 14596, 18245, 36490

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72965 and 72980. The biggest common factor number is the GCF number.
So the greatest common factor 72965 and 72980 is 5.

Also check out the Least Common Multiple of 72965 and 72980