What is the Greatest Common Factor of 18811 and 18815?

Greatest common factor (GCF) of 18811 and 18815 is 1.

GCF(18811,18815) = 1

We will now calculate the prime factors of 18811 and 18815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18811 and 18815.

How to find the GCF of 18811 and 18815?

We will first find the prime factorization of 18811 and 18815. After we will calculate the factors of 18811 and 18815 and find the biggest common factor number .

Step-1: Prime Factorization of 18811

Prime factors of 18811 are 13, 1447. Prime factorization of 18811 in exponential form is:

18811 = 13¹ × 1447¹

Step-2: Prime Factorization of 18815

Prime factors of 18815 are 5, 53, 71. Prime factorization of 18815 in exponential form is:

18815 = 5¹ × 53¹ × 71¹

Step-3: Factors of 18811

List of positive integer factors of 18811 that divides 18811 without a remainder.

1, 13, 1447

Step-4: Factors of 18815

List of positive integer factors of 18815 that divides 18811 without a remainder.

1, 5, 53, 71, 265, 355, 3763

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18811 and 18815. The biggest common factor number is the GCF number.
So the greatest common factor 18811 and 18815 is 1.

Also check out the Least Common Multiple of 18811 and 18815