What is the Greatest Common Factor of 72843 and 72858?

Greatest common factor (GCF) of 72843 and 72858 is 3.

GCF(72843,72858) = 3

We will now calculate the prime factors of 72843 and 72858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72843 and 72858.

How to find the GCF of 72843 and 72858?

We will first find the prime factorization of 72843 and 72858. After we will calculate the factors of 72843 and 72858 and find the biggest common factor number .

Step-1: Prime Factorization of 72843

Prime factors of 72843 are 3, 24281. Prime factorization of 72843 in exponential form is:

72843 = 3¹ × 24281¹

Step-2: Prime Factorization of 72858

Prime factors of 72858 are 2, 3, 12143. Prime factorization of 72858 in exponential form is:

72858 = 2¹ × 3¹ × 12143¹

Step-3: Factors of 72843

List of positive integer factors of 72843 that divides 72843 without a remainder.

1, 3, 24281

Step-4: Factors of 72858

List of positive integer factors of 72858 that divides 72843 without a remainder.

1, 2, 3, 6, 12143, 24286, 36429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72843 and 72858. The biggest common factor number is the GCF number.
So the greatest common factor 72843 and 72858 is 3.

Also check out the Least Common Multiple of 72843 and 72858