What is the Greatest Common Factor of 8151 and 8170?

Greatest common factor (GCF) of 8151 and 8170 is 19.

GCF(8151,8170) = 19

We will now calculate the prime factors of 8151 and 8170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8151 and 8170.

How to find the GCF of 8151 and 8170?

We will first find the prime factorization of 8151 and 8170. After we will calculate the factors of 8151 and 8170 and find the biggest common factor number .

Step-1: Prime Factorization of 8151

Prime factors of 8151 are 3, 11, 13, 19. Prime factorization of 8151 in exponential form is:

8151 = 3¹ × 11¹ × 13¹ × 19¹

Step-2: Prime Factorization of 8170

Prime factors of 8170 are 2, 5, 19, 43. Prime factorization of 8170 in exponential form is:

8170 = 2¹ × 5¹ × 19¹ × 43¹

Step-3: Factors of 8151

List of positive integer factors of 8151 that divides 8151 without a remainder.

1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717

Step-4: Factors of 8170

List of positive integer factors of 8170 that divides 8151 without a remainder.

1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8151 and 8170. The biggest common factor number is the GCF number.
So the greatest common factor 8151 and 8170 is 19.

Also check out the Least Common Multiple of 8151 and 8170