What is the Greatest Common Factor of 18997 and 19015?

Greatest common factor (GCF) of 18997 and 19015 is 1.

GCF(18997,19015) = 1

We will now calculate the prime factors of 18997 and 19015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18997 and 19015.

How to find the GCF of 18997 and 19015?

We will first find the prime factorization of 18997 and 19015. After we will calculate the factors of 18997 and 19015 and find the biggest common factor number .

Step-1: Prime Factorization of 18997

Prime factors of 18997 are 11, 157. Prime factorization of 18997 in exponential form is:

18997 = 11² × 157¹

Step-2: Prime Factorization of 19015

Prime factors of 19015 are 5, 3803. Prime factorization of 19015 in exponential form is:

19015 = 5¹ × 3803¹

Step-3: Factors of 18997

List of positive integer factors of 18997 that divides 18997 without a remainder.

1, 11, 121, 157, 1727

Step-4: Factors of 19015

List of positive integer factors of 19015 that divides 18997 without a remainder.

1, 5, 3803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18997 and 19015. The biggest common factor number is the GCF number.
So the greatest common factor 18997 and 19015 is 1.

Also check out the Least Common Multiple of 18997 and 19015