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What is the Greatest Common Factor of 19801 and 19818?

Greatest common factor (GCF) of 19801 and 19818 is 1.

GCF(19801,19818) = 1

We will now calculate the prime factors of 19801 and 19818, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19801 and 19818.

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How to find the GCF of 19801 and 19818?

We will first find the prime factorization of 19801 and 19818. After we will calculate the factors of 19801 and 19818 and find the biggest common factor number .

Step-1: Prime Factorization of 19801

Prime factors of 19801 are 19801. Prime factorization of 19801 in exponential form is:

19801 = 198011

Step-2: Prime Factorization of 19818

Prime factors of 19818 are 2, 3, 367. Prime factorization of 19818 in exponential form is:

19818 = 21 × 33 × 3671

Step-3: Factors of 19801

List of positive integer factors of 19801 that divides 19801 without a remainder.

1

Step-4: Factors of 19818

List of positive integer factors of 19818 that divides 19801 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 1101, 2202, 3303, 6606, 9909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19801 and 19818. The biggest common factor number is the GCF number.
So the greatest common factor 19801 and 19818 is 1.

Also check out the Least Common Multiple of 19801 and 19818