What is the Greatest Common Factor of 78237 and 78243?

Greatest common factor (GCF) of 78237 and 78243 is 3.

GCF(78237,78243) = 3

We will now calculate the prime factors of 78237 and 78243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78237 and 78243.

How to find the GCF of 78237 and 78243?

We will first find the prime factorization of 78237 and 78243. After we will calculate the factors of 78237 and 78243 and find the biggest common factor number .

Step-1: Prime Factorization of 78237

Prime factors of 78237 are 3, 8693. Prime factorization of 78237 in exponential form is:

78237 = 3² × 8693¹

Step-2: Prime Factorization of 78243

Prime factors of 78243 are 3, 11, 2371. Prime factorization of 78243 in exponential form is:

78243 = 3¹ × 11¹ × 2371¹

Step-3: Factors of 78237

List of positive integer factors of 78237 that divides 78237 without a remainder.

1, 3, 9, 8693, 26079

Step-4: Factors of 78243

List of positive integer factors of 78243 that divides 78237 without a remainder.

1, 3, 11, 33, 2371, 7113, 26081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78237 and 78243. The biggest common factor number is the GCF number.
So the greatest common factor 78237 and 78243 is 3.

Also check out the Least Common Multiple of 78237 and 78243