What is the Greatest Common Factor of 72721 and 72731?

Greatest common factor (GCF) of 72721 and 72731 is 1.

GCF(72721,72731) = 1

We will now calculate the prime factors of 72721 and 72731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72721 and 72731.

How to find the GCF of 72721 and 72731?

We will first find the prime factorization of 72721 and 72731. After we will calculate the factors of 72721 and 72731 and find the biggest common factor number .

Step-1: Prime Factorization of 72721

Prime factors of 72721 are 11, 601. Prime factorization of 72721 in exponential form is:

72721 = 11² × 601¹

Step-2: Prime Factorization of 72731

Prime factors of 72731 are 257, 283. Prime factorization of 72731 in exponential form is:

72731 = 257¹ × 283¹

Step-3: Factors of 72721

List of positive integer factors of 72721 that divides 72721 without a remainder.

1, 11, 121, 601, 6611

Step-4: Factors of 72731

List of positive integer factors of 72731 that divides 72721 without a remainder.

1, 257, 283

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72721 and 72731. The biggest common factor number is the GCF number.
So the greatest common factor 72721 and 72731 is 1.

Also check out the Least Common Multiple of 72721 and 72731