What is the Greatest Common Factor of 27378 and 27387?

Greatest common factor (GCF) of 27378 and 27387 is 9.

GCF(27378,27387) = 9

We will now calculate the prime factors of 27378 and 27387, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27378 and 27387.

How to find the GCF of 27378 and 27387?

We will first find the prime factorization of 27378 and 27387. After we will calculate the factors of 27378 and 27387 and find the biggest common factor number .

Step-1: Prime Factorization of 27378

Prime factors of 27378 are 2, 3, 13. Prime factorization of 27378 in exponential form is:

27378 = 2¹ × 3⁴ × 13²

Step-2: Prime Factorization of 27387

Prime factors of 27387 are 3, 17, 179. Prime factorization of 27387 in exponential form is:

27387 = 3² × 17¹ × 179¹

Step-3: Factors of 27378

List of positive integer factors of 27378 that divides 27378 without a remainder.

1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 338, 351, 507, 702, 1014, 1053, 1521, 2106, 3042, 4563, 9126, 13689

Step-4: Factors of 27387

List of positive integer factors of 27387 that divides 27378 without a remainder.

1, 3, 9, 17, 51, 153, 179, 537, 1611, 3043, 9129

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27378 and 27387. The biggest common factor number is the GCF number.
So the greatest common factor 27378 and 27387 is 9.

Also check out the Least Common Multiple of 27378 and 27387