What is the Greatest Common Factor of 12428 and 12445?

Greatest common factor (GCF) of 12428 and 12445 is 1.

GCF(12428,12445) = 1

We will now calculate the prime factors of 12428 and 12445, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12428 and 12445.

How to find the GCF of 12428 and 12445?

We will first find the prime factorization of 12428 and 12445. After we will calculate the factors of 12428 and 12445 and find the biggest common factor number .

Step-1: Prime Factorization of 12428

Prime factors of 12428 are 2, 13, 239. Prime factorization of 12428 in exponential form is:

12428 = 2² × 13¹ × 239¹

Step-2: Prime Factorization of 12445

Prime factors of 12445 are 5, 19, 131. Prime factorization of 12445 in exponential form is:

12445 = 5¹ × 19¹ × 131¹

Step-3: Factors of 12428

List of positive integer factors of 12428 that divides 12428 without a remainder.

1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214

Step-4: Factors of 12445

List of positive integer factors of 12445 that divides 12428 without a remainder.

1, 5, 19, 95, 131, 655, 2489

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12428 and 12445. The biggest common factor number is the GCF number.
So the greatest common factor 12428 and 12445 is 1.

Also check out the Least Common Multiple of 12428 and 12445