What is the Greatest Common Factor of 12445 and 12464?

Greatest common factor (GCF) of 12445 and 12464 is 19.

GCF(12445,12464) = 19

We will now calculate the prime factors of 12445 and 12464, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12445 and 12464.

How to find the GCF of 12445 and 12464?

We will first find the prime factorization of 12445 and 12464. After we will calculate the factors of 12445 and 12464 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 12464

Prime factors of 12464 are 2, 19, 41. Prime factorization of 12464 in exponential form is:

12464 = 2⁴ × 19¹ × 41¹

Step-3: Factors of 12445

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

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

Step-4: Factors of 12464

List of positive integer factors of 12464 that divides 12445 without a remainder.

1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12445 and 12464. The biggest common factor number is the GCF number.
So the greatest common factor 12445 and 12464 is 19.

Also check out the Least Common Multiple of 12445 and 12464