What is the Greatest Common Factor of 60855 and 60861?

Greatest common factor (GCF) of 60855 and 60861 is 3.

GCF(60855,60861) = 3

We will now calculate the prime factors of 60855 and 60861, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 60855 and 60861.

How to find the GCF of 60855 and 60861?

We will first find the prime factorization of 60855 and 60861. After we will calculate the factors of 60855 and 60861 and find the biggest common factor number .

Step-1: Prime Factorization of 60855

Prime factors of 60855 are 3, 5, 4057. Prime factorization of 60855 in exponential form is:

60855 = 3¹ × 5¹ × 4057¹

Step-2: Prime Factorization of 60861

Prime factors of 60861 are 3, 20287. Prime factorization of 60861 in exponential form is:

60861 = 3¹ × 20287¹

Step-3: Factors of 60855

List of positive integer factors of 60855 that divides 60855 without a remainder.

1, 3, 5, 15, 4057, 12171, 20285

Step-4: Factors of 60861

List of positive integer factors of 60861 that divides 60855 without a remainder.

1, 3, 20287

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 60855 and 60861. The biggest common factor number is the GCF number.
So the greatest common factor 60855 and 60861 is 3.

Also check out the Least Common Multiple of 60855 and 60861