What is the Greatest Common Factor of 15330 and 15345?

Greatest common factor (GCF) of 15330 and 15345 is 15.

GCF(15330,15345) = 15

We will now calculate the prime factors of 15330 and 15345, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15330 and 15345.

How to find the GCF of 15330 and 15345?

We will first find the prime factorization of 15330 and 15345. After we will calculate the factors of 15330 and 15345 and find the biggest common factor number .

Step-1: Prime Factorization of 15330

Prime factors of 15330 are 2, 3, 5, 7, 73. Prime factorization of 15330 in exponential form is:

15330 = 2¹ × 3¹ × 5¹ × 7¹ × 73¹

Step-2: Prime Factorization of 15345

Prime factors of 15345 are 3, 5, 11, 31. Prime factorization of 15345 in exponential form is:

15345 = 3² × 5¹ × 11¹ × 31¹

Step-3: Factors of 15330

List of positive integer factors of 15330 that divides 15330 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 2190, 2555, 3066, 5110, 7665

Step-4: Factors of 15345

List of positive integer factors of 15345 that divides 15330 without a remainder.

1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 5115

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15330 and 15345. The biggest common factor number is the GCF number.
So the greatest common factor 15330 and 15345 is 15.

Also check out the Least Common Multiple of 15330 and 15345