What is the Greatest Common Factor of 27170 and 27180?

Greatest common factor (GCF) of 27170 and 27180 is 10.

GCF(27170,27180) = 10

We will now calculate the prime factors of 27170 and 27180, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27170 and 27180.

How to find the GCF of 27170 and 27180?

We will first find the prime factorization of 27170 and 27180. After we will calculate the factors of 27170 and 27180 and find the biggest common factor number .

Step-1: Prime Factorization of 27170

Prime factors of 27170 are 2, 5, 11, 13, 19. Prime factorization of 27170 in exponential form is:

27170 = 2¹ × 5¹ × 11¹ × 13¹ × 19¹

Step-2: Prime Factorization of 27180

Prime factors of 27180 are 2, 3, 5, 151. Prime factorization of 27180 in exponential form is:

27180 = 2² × 3² × 5¹ × 151¹

Step-3: Factors of 27170

List of positive integer factors of 27170 that divides 27170 without a remainder.

1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 13585

Step-4: Factors of 27180

List of positive integer factors of 27180 that divides 27170 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 3020, 4530, 5436, 6795, 9060, 13590

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27170 and 27180. The biggest common factor number is the GCF number.
So the greatest common factor 27170 and 27180 is 10.

Also check out the Least Common Multiple of 27170 and 27180