What is the Greatest Common Factor of 19109 and 19118?

Greatest common factor (GCF) of 19109 and 19118 is 1.

GCF(19109,19118) = 1

We will now calculate the prime factors of 19109 and 19118, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19109 and 19118.

How to find the GCF of 19109 and 19118?

We will first find the prime factorization of 19109 and 19118. After we will calculate the factors of 19109 and 19118 and find the biggest common factor number .

Step-1: Prime Factorization of 19109

Prime factors of 19109 are 97, 197. Prime factorization of 19109 in exponential form is:

19109 = 97¹ × 197¹

Step-2: Prime Factorization of 19118

Prime factors of 19118 are 2, 11, 79. Prime factorization of 19118 in exponential form is:

19118 = 2¹ × 11² × 79¹

Step-3: Factors of 19109

List of positive integer factors of 19109 that divides 19109 without a remainder.

1, 97, 197

Step-4: Factors of 19118

List of positive integer factors of 19118 that divides 19109 without a remainder.

1, 2, 11, 22, 79, 121, 158, 242, 869, 1738, 9559

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19109 and 19118. The biggest common factor number is the GCF number.
So the greatest common factor 19109 and 19118 is 1.

Also check out the Least Common Multiple of 19109 and 19118