What is the Greatest Common Factor of 78243 and 78254?

Greatest common factor (GCF) of 78243 and 78254 is 11.

GCF(78243,78254) = 11

We will now calculate the prime factors of 78243 and 78254, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78243 and 78254.

How to find the GCF of 78243 and 78254?

We will first find the prime factorization of 78243 and 78254. After we will calculate the factors of 78243 and 78254 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 78254

Prime factors of 78254 are 2, 11, 3557. Prime factorization of 78254 in exponential form is:

78254 = 2¹ × 11¹ × 3557¹

Step-3: Factors of 78243

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

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

Step-4: Factors of 78254

List of positive integer factors of 78254 that divides 78243 without a remainder.

1, 2, 11, 22, 3557, 7114, 39127

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78243 and 78254. The biggest common factor number is the GCF number.
So the greatest common factor 78243 and 78254 is 11.

Also check out the Least Common Multiple of 78243 and 78254