What is the Greatest Common Factor of 23855 and 23865?

Greatest common factor (GCF) of 23855 and 23865 is 5.

GCF(23855,23865) = 5

We will now calculate the prime factors of 23855 and 23865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23855 and 23865.

How to find the GCF of 23855 and 23865?

We will first find the prime factorization of 23855 and 23865. After we will calculate the factors of 23855 and 23865 and find the biggest common factor number .

Step-1: Prime Factorization of 23855

Prime factors of 23855 are 5, 13, 367. Prime factorization of 23855 in exponential form is:

23855 = 5¹ × 13¹ × 367¹

Step-2: Prime Factorization of 23865

Prime factors of 23865 are 3, 5, 37, 43. Prime factorization of 23865 in exponential form is:

23865 = 3¹ × 5¹ × 37¹ × 43¹

Step-3: Factors of 23855

List of positive integer factors of 23855 that divides 23855 without a remainder.

1, 5, 13, 65, 367, 1835, 4771

Step-4: Factors of 23865

List of positive integer factors of 23865 that divides 23855 without a remainder.

1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 4773, 7955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23855 and 23865. The biggest common factor number is the GCF number.
So the greatest common factor 23855 and 23865 is 5.

Also check out the Least Common Multiple of 23855 and 23865