What is the Greatest Common Factor of 12280 and 12287?

Greatest common factor (GCF) of 12280 and 12287 is 1.

GCF(12280,12287) = 1

We will now calculate the prime factors of 12280 and 12287, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12280 and 12287.

How to find the GCF of 12280 and 12287?

We will first find the prime factorization of 12280 and 12287. After we will calculate the factors of 12280 and 12287 and find the biggest common factor number .

Step-1: Prime Factorization of 12280

Prime factors of 12280 are 2, 5, 307. Prime factorization of 12280 in exponential form is:

12280 = 2³ × 5¹ × 307¹

Step-2: Prime Factorization of 12287

Prime factors of 12287 are 11, 1117. Prime factorization of 12287 in exponential form is:

12287 = 11¹ × 1117¹

Step-3: Factors of 12280

List of positive integer factors of 12280 that divides 12280 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140

Step-4: Factors of 12287

List of positive integer factors of 12287 that divides 12280 without a remainder.

1, 11, 1117

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12280 and 12287. The biggest common factor number is the GCF number.
So the greatest common factor 12280 and 12287 is 1.

Also check out the Least Common Multiple of 12280 and 12287