What is the Greatest Common Factor of 78273 and 78286?

Greatest common factor (GCF) of 78273 and 78286 is 13.

GCF(78273,78286) = 13

We will now calculate the prime factors of 78273 and 78286, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78273 and 78286.

How to find the GCF of 78273 and 78286?

We will first find the prime factorization of 78273 and 78286. After we will calculate the factors of 78273 and 78286 and find the biggest common factor number .

Step-1: Prime Factorization of 78273

Prime factors of 78273 are 3, 13, 223. Prime factorization of 78273 in exponential form is:

78273 = 3³ × 13¹ × 223¹

Step-2: Prime Factorization of 78286

Prime factors of 78286 are 2, 13, 3011. Prime factorization of 78286 in exponential form is:

78286 = 2¹ × 13¹ × 3011¹

Step-3: Factors of 78273

List of positive integer factors of 78273 that divides 78273 without a remainder.

1, 3, 9, 13, 27, 39, 117, 223, 351, 669, 2007, 2899, 6021, 8697, 26091

Step-4: Factors of 78286

List of positive integer factors of 78286 that divides 78273 without a remainder.

1, 2, 13, 26, 3011, 6022, 39143

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78273 and 78286. The biggest common factor number is the GCF number.
So the greatest common factor 78273 and 78286 is 13.

Also check out the Least Common Multiple of 78273 and 78286