What is the Greatest Common Factor of 12435 and 12445?

Greatest common factor (GCF) of 12435 and 12445 is 5.

GCF(12435,12445) = 5

We will now calculate the prime factors of 12435 and 12445, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12435 and 12445.

How to find the GCF of 12435 and 12445?

We will first find the prime factorization of 12435 and 12445. After we will calculate the factors of 12435 and 12445 and find the biggest common factor number .

Step-1: Prime Factorization of 12435

Prime factors of 12435 are 3, 5, 829. Prime factorization of 12435 in exponential form is:

12435 = 3¹ × 5¹ × 829¹

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 12435

List of positive integer factors of 12435 that divides 12435 without a remainder.

1, 3, 5, 15, 829, 2487, 4145

Step-4: Factors of 12445

List of positive integer factors of 12445 that divides 12435 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12435 and 12445. The biggest common factor number is the GCF number.
So the greatest common factor 12435 and 12445 is 5.

Also check out the Least Common Multiple of 12435 and 12445