What is the Greatest Common Factor of 38475 and 38490?

Greatest common factor (GCF) of 38475 and 38490 is 15.

GCF(38475,38490) = 15

We will now calculate the prime factors of 38475 and 38490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38475 and 38490.

How to find the GCF of 38475 and 38490?

We will first find the prime factorization of 38475 and 38490. After we will calculate the factors of 38475 and 38490 and find the biggest common factor number .

Step-1: Prime Factorization of 38475

Prime factors of 38475 are 3, 5, 19. Prime factorization of 38475 in exponential form is:

38475 = 3⁴ × 5² × 19¹

Step-2: Prime Factorization of 38490

Prime factors of 38490 are 2, 3, 5, 1283. Prime factorization of 38490 in exponential form is:

38490 = 2¹ × 3¹ × 5¹ × 1283¹

Step-3: Factors of 38475

List of positive integer factors of 38475 that divides 38475 without a remainder.

1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 855, 1425, 1539, 2025, 2565, 4275, 7695, 12825

Step-4: Factors of 38490

List of positive integer factors of 38490 that divides 38475 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1283, 2566, 3849, 6415, 7698, 12830, 19245

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38475 and 38490. The biggest common factor number is the GCF number.
So the greatest common factor 38475 and 38490 is 15.

Also check out the Least Common Multiple of 38475 and 38490