What is the Greatest Common Factor of 78865 and 78872?

Greatest common factor (GCF) of 78865 and 78872 is 1.

GCF(78865,78872) = 1

We will now calculate the prime factors of 78865 and 78872, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78865 and 78872.

How to find the GCF of 78865 and 78872?

We will first find the prime factorization of 78865 and 78872. After we will calculate the factors of 78865 and 78872 and find the biggest common factor number .

Step-1: Prime Factorization of 78865

Prime factors of 78865 are 5, 15773. Prime factorization of 78865 in exponential form is:

78865 = 5¹ × 15773¹

Step-2: Prime Factorization of 78872

Prime factors of 78872 are 2, 9859. Prime factorization of 78872 in exponential form is:

78872 = 2³ × 9859¹

Step-3: Factors of 78865

List of positive integer factors of 78865 that divides 78865 without a remainder.

1, 5, 15773

Step-4: Factors of 78872

List of positive integer factors of 78872 that divides 78865 without a remainder.

1, 2, 4, 8, 9859, 19718, 39436

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78865 and 78872. The biggest common factor number is the GCF number.
So the greatest common factor 78865 and 78872 is 1.

Also check out the Least Common Multiple of 78865 and 78872