What is the Greatest Common Factor of 13455 and 13473?

Greatest common factor (GCF) of 13455 and 13473 is 9.

GCF(13455,13473) = 9

We will now calculate the prime factors of 13455 and 13473, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13455 and 13473.

How to find the GCF of 13455 and 13473?

We will first find the prime factorization of 13455 and 13473. After we will calculate the factors of 13455 and 13473 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 13473

Prime factors of 13473 are 3, 499. Prime factorization of 13473 in exponential form is:

13473 = 3³ × 499¹

Step-3: Factors of 13455

List of positive integer factors of 13455 that divides 13455 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

Step-4: Factors of 13473

List of positive integer factors of 13473 that divides 13455 without a remainder.

1, 3, 9, 27, 499, 1497, 4491

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13455 and 13473. The biggest common factor number is the GCF number.
So the greatest common factor 13455 and 13473 is 9.

Also check out the Least Common Multiple of 13455 and 13473