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What is the Greatest Common Factor of 18798 and 18811?

Greatest common factor (GCF) of 18798 and 18811 is 13.

GCF(18798,18811) = 13

We will now calculate the prime factors of 18798 and 18811, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18798 and 18811.

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How to find the GCF of 18798 and 18811?

We will first find the prime factorization of 18798 and 18811. After we will calculate the factors of 18798 and 18811 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 18811

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

18811 = 131 × 14471

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 18811

List of positive integer factors of 18811 that divides 18798 without a remainder.

1, 13, 1447

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18798 and 18811. The biggest common factor number is the GCF number.
So the greatest common factor 18798 and 18811 is 13.

Also check out the Least Common Multiple of 18798 and 18811