What is the Greatest Common Factor of 72709 and 72721?

Greatest common factor (GCF) of 72709 and 72721 is 1.

GCF(72709,72721) = 1

We will now calculate the prime factors of 72709 and 72721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72709 and 72721.

How to find the GCF of 72709 and 72721?

We will first find the prime factorization of 72709 and 72721. After we will calculate the factors of 72709 and 72721 and find the biggest common factor number .

Step-1: Prime Factorization of 72709

Prime factors of 72709 are 7, 13, 17, 47. Prime factorization of 72709 in exponential form is:

72709 = 7¹ × 13¹ × 17¹ × 47¹

Step-2: Prime Factorization of 72721

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

72721 = 11² × 601¹

Step-3: Factors of 72709

List of positive integer factors of 72709 that divides 72709 without a remainder.

1, 7, 13, 17, 47, 91, 119, 221, 329, 611, 799, 1547, 4277, 5593, 10387

Step-4: Factors of 72721

List of positive integer factors of 72721 that divides 72709 without a remainder.

1, 11, 121, 601, 6611

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72709 and 72721. The biggest common factor number is the GCF number.
So the greatest common factor 72709 and 72721 is 1.

Also check out the Least Common Multiple of 72709 and 72721