What is the Greatest Common Factor of 13445 and 13455?

Greatest common factor (GCF) of 13445 and 13455 is 5.

GCF(13445,13455) = 5

We will now calculate the prime factors of 13445 and 13455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13445 and 13455.

How to find the GCF of 13445 and 13455?

We will first find the prime factorization of 13445 and 13455. After we will calculate the factors of 13445 and 13455 and find the biggest common factor number .

Step-1: Prime Factorization of 13445

Prime factors of 13445 are 5, 2689. Prime factorization of 13445 in exponential form is:

13445 = 5¹ × 2689¹

Step-2: Prime Factorization of 13455

Prime factors of 13455 are 3, 5, 13, 23. Prime factorization of 13455 in exponential form is:

13455 = 3² × 5¹ × 13¹ × 23¹

Step-3: Factors of 13445

List of positive integer factors of 13445 that divides 13445 without a remainder.

1, 5, 2689

Step-4: Factors of 13455

List of positive integer factors of 13455 that divides 13445 without a remainder.

1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13445 and 13455. The biggest common factor number is the GCF number.
So the greatest common factor 13445 and 13455 is 5.

Also check out the Least Common Multiple of 13445 and 13455