What is the Greatest Common Factor of 18798 and 18815?

Greatest common factor (GCF) of 18798 and 18815 is 1.

GCF(18798,18815) = 1

We will now calculate the prime factors of 18798 and 18815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18798 and 18815.

How to find the GCF of 18798 and 18815?

We will first find the prime factorization of 18798 and 18815. After we will calculate the factors of 18798 and 18815 and find the biggest common factor number .

Step-1: Prime Factorization of 18798

Prime factors of 18798 are 2, 3, 13, 241. Prime factorization of 18798 in exponential form is:

18798 = 2¹ × 3¹ × 13¹ × 241¹

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 18798

List of positive integer factors of 18798 that divides 18798 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 241, 482, 723, 1446, 3133, 6266, 9399

Step-4: Factors of 18815

List of positive integer factors of 18815 that divides 18798 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18798 and 18815. The biggest common factor number is the GCF number.
So the greatest common factor 18798 and 18815 is 1.

Also check out the Least Common Multiple of 18798 and 18815