What is the Greatest Common Factor of 78286 and 78290?

Greatest common factor (GCF) of 78286 and 78290 is 2.

GCF(78286,78290) = 2

We will now calculate the prime factors of 78286 and 78290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78286 and 78290.

How to find the GCF of 78286 and 78290?

We will first find the prime factorization of 78286 and 78290. After we will calculate the factors of 78286 and 78290 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 78290

Prime factors of 78290 are 2, 5, 7829. Prime factorization of 78290 in exponential form is:

78290 = 2¹ × 5¹ × 7829¹

Step-3: Factors of 78286

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

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

Step-4: Factors of 78290

List of positive integer factors of 78290 that divides 78286 without a remainder.

1, 2, 5, 10, 7829, 15658, 39145

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78286 and 78290. The biggest common factor number is the GCF number.
So the greatest common factor 78286 and 78290 is 2.

Also check out the Least Common Multiple of 78286 and 78290