What is the Greatest Common Factor of 20117 and 20121?

Greatest common factor (GCF) of 20117 and 20121 is 1.

GCF(20117,20121) = 1

We will now calculate the prime factors of 20117 and 20121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20117 and 20121.

How to find the GCF of 20117 and 20121?

We will first find the prime factorization of 20117 and 20121. After we will calculate the factors of 20117 and 20121 and find the biggest common factor number .

Step-1: Prime Factorization of 20117

Prime factors of 20117 are 20117. Prime factorization of 20117 in exponential form is:

20117 = 20117¹

Step-2: Prime Factorization of 20121

Prime factors of 20121 are 3, 19, 353. Prime factorization of 20121 in exponential form is:

20121 = 3¹ × 19¹ × 353¹

Step-3: Factors of 20117

List of positive integer factors of 20117 that divides 20117 without a remainder.

Step-4: Factors of 20121

List of positive integer factors of 20121 that divides 20117 without a remainder.

1, 3, 19, 57, 353, 1059, 6707

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20117 and 20121. The biggest common factor number is the GCF number.
So the greatest common factor 20117 and 20121 is 1.

Also check out the Least Common Multiple of 20117 and 20121