What is the Greatest Common Factor of 12281 and 12290?

Greatest common factor (GCF) of 12281 and 12290 is 1.

GCF(12281,12290) = 1

We will now calculate the prime factors of 12281 and 12290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12281 and 12290.

How to find the GCF of 12281 and 12290?

We will first find the prime factorization of 12281 and 12290. After we will calculate the factors of 12281 and 12290 and find the biggest common factor number .

Step-1: Prime Factorization of 12281

Prime factors of 12281 are 12281. Prime factorization of 12281 in exponential form is:

12281 = 12281¹

Step-2: Prime Factorization of 12290

Prime factors of 12290 are 2, 5, 1229. Prime factorization of 12290 in exponential form is:

12290 = 2¹ × 5¹ × 1229¹

Step-3: Factors of 12281

List of positive integer factors of 12281 that divides 12281 without a remainder.

Step-4: Factors of 12290

List of positive integer factors of 12290 that divides 12281 without a remainder.

1, 2, 5, 10, 1229, 2458, 6145

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12281 and 12290. The biggest common factor number is the GCF number.
So the greatest common factor 12281 and 12290 is 1.

Also check out the Least Common Multiple of 12281 and 12290