GCF and LCM Calculator Logo

What is the Greatest Common Factor of 8165 and 8170?

Greatest common factor (GCF) of 8165 and 8170 is 5.

GCF(8165,8170) = 5

We will now calculate the prime factors of 8165 and 8170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8165 and 8170.

GCF Calculator and
and

How to find the GCF of 8165 and 8170?

We will first find the prime factorization of 8165 and 8170. After we will calculate the factors of 8165 and 8170 and find the biggest common factor number .

Step-1: Prime Factorization of 8165

Prime factors of 8165 are 5, 23, 71. Prime factorization of 8165 in exponential form is:

8165 = 51 × 231 × 711

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 8165

List of positive integer factors of 8165 that divides 8165 without a remainder.

1, 5, 23, 71, 115, 355, 1633

Step-4: Factors of 8170

List of positive integer factors of 8170 that divides 8165 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 8165 and 8170. The biggest common factor number is the GCF number.
So the greatest common factor 8165 and 8170 is 5.

Also check out the Least Common Multiple of 8165 and 8170