What is the Greatest Common Factor of 72857 and 72865?

Greatest common factor (GCF) of 72857 and 72865 is 1.

GCF(72857,72865) = 1

We will now calculate the prime factors of 72857 and 72865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72857 and 72865.

How to find the GCF of 72857 and 72865?

We will first find the prime factorization of 72857 and 72865. After we will calculate the factors of 72857 and 72865 and find the biggest common factor number .

Step-1: Prime Factorization of 72857

Prime factors of 72857 are 41, 1777. Prime factorization of 72857 in exponential form is:

72857 = 41¹ × 1777¹

Step-2: Prime Factorization of 72865

Prime factors of 72865 are 5, 13, 19, 59. Prime factorization of 72865 in exponential form is:

72865 = 5¹ × 13¹ × 19¹ × 59¹

Step-3: Factors of 72857

List of positive integer factors of 72857 that divides 72857 without a remainder.

1, 41, 1777

Step-4: Factors of 72865

List of positive integer factors of 72865 that divides 72857 without a remainder.

1, 5, 13, 19, 59, 65, 95, 247, 295, 767, 1121, 1235, 3835, 5605, 14573

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72857 and 72865. The biggest common factor number is the GCF number.
So the greatest common factor 72857 and 72865 is 1.

Also check out the Least Common Multiple of 72857 and 72865