What is the Greatest Common Factor of 63170 and 63185?

Greatest common factor (GCF) of 63170 and 63185 is 5.

GCF(63170,63185) = 5

We will now calculate the prime factors of 63170 and 63185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63170 and 63185.

How to find the GCF of 63170 and 63185?

We will first find the prime factorization of 63170 and 63185. After we will calculate the factors of 63170 and 63185 and find the biggest common factor number .

Step-1: Prime Factorization of 63170

Prime factors of 63170 are 2, 5, 6317. Prime factorization of 63170 in exponential form is:

63170 = 2¹ × 5¹ × 6317¹

Step-2: Prime Factorization of 63185

Prime factors of 63185 are 5, 12637. Prime factorization of 63185 in exponential form is:

63185 = 5¹ × 12637¹

Step-3: Factors of 63170

List of positive integer factors of 63170 that divides 63170 without a remainder.

1, 2, 5, 10, 6317, 12634, 31585

Step-4: Factors of 63185

List of positive integer factors of 63185 that divides 63170 without a remainder.

1, 5, 12637

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63170 and 63185. The biggest common factor number is the GCF number.
So the greatest common factor 63170 and 63185 is 5.

Also check out the Least Common Multiple of 63170 and 63185