What is the Greatest Common Factor of 9999 and 10017?

Greatest common factor (GCF) of 9999 and 10017 is 9.

GCF(9999,10017) = 9

We will now calculate the prime factors of 9999 and 10017, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9999 and 10017.

How to find the GCF of 9999 and 10017?

We will first find the prime factorization of 9999 and 10017. After we will calculate the factors of 9999 and 10017 and find the biggest common factor number .

Step-1: Prime Factorization of 9999

Prime factors of 9999 are 3, 11, 101. Prime factorization of 9999 in exponential form is:

9999 = 3² × 11¹ × 101¹

Step-2: Prime Factorization of 10017

Prime factors of 10017 are 3, 7, 53. Prime factorization of 10017 in exponential form is:

10017 = 3³ × 7¹ × 53¹

Step-3: Factors of 9999

List of positive integer factors of 9999 that divides 9999 without a remainder.

1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333

Step-4: Factors of 10017

List of positive integer factors of 10017 that divides 9999 without a remainder.

1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9999 and 10017. The biggest common factor number is the GCF number.
So the greatest common factor 9999 and 10017 is 9.

Also check out the Least Common Multiple of 9999 and 10017