What is the Greatest Common Factor of 72971 and 72985?

Greatest common factor (GCF) of 72971 and 72985 is 1.

GCF(72971,72985) = 1

We will now calculate the prime factors of 72971 and 72985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72971 and 72985.

How to find the GCF of 72971 and 72985?

We will first find the prime factorization of 72971 and 72985. After we will calculate the factors of 72971 and 72985 and find the biggest common factor number .

Step-1: Prime Factorization of 72971

Prime factors of 72971 are 43, 1697. Prime factorization of 72971 in exponential form is:

72971 = 43¹ × 1697¹

Step-2: Prime Factorization of 72985

Prime factors of 72985 are 5, 11, 1327. Prime factorization of 72985 in exponential form is:

72985 = 5¹ × 11¹ × 1327¹

Step-3: Factors of 72971

List of positive integer factors of 72971 that divides 72971 without a remainder.

1, 43, 1697

Step-4: Factors of 72985

List of positive integer factors of 72985 that divides 72971 without a remainder.

1, 5, 11, 55, 1327, 6635, 14597

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72971 and 72985. The biggest common factor number is the GCF number.
So the greatest common factor 72971 and 72985 is 1.

Also check out the Least Common Multiple of 72971 and 72985