What is the Greatest Common Factor of 72845 and 72865?

Greatest common factor (GCF) of 72845 and 72865 is 5.

GCF(72845,72865) = 5

We will now calculate the prime factors of 72845 and 72865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72845 and 72865.

How to find the GCF of 72845 and 72865?

We will first find the prime factorization of 72845 and 72865. After we will calculate the factors of 72845 and 72865 and find the biggest common factor number .

Step-1: Prime Factorization of 72845

Prime factors of 72845 are 5, 17, 857. Prime factorization of 72845 in exponential form is:

72845 = 5¹ × 17¹ × 857¹

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 72845

List of positive integer factors of 72845 that divides 72845 without a remainder.

1, 5, 17, 85, 857, 4285, 14569

Step-4: Factors of 72865

List of positive integer factors of 72865 that divides 72845 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 72845 and 72865. The biggest common factor number is the GCF number.
So the greatest common factor 72845 and 72865 is 5.

Also check out the Least Common Multiple of 72845 and 72865