What is the Greatest Common Factor of 10899 and 10917?

Greatest common factor (GCF) of 10899 and 10917 is 9.

GCF(10899,10917) = 9

We will now calculate the prime factors of 10899 and 10917, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10899 and 10917.

How to find the GCF of 10899 and 10917?

We will first find the prime factorization of 10899 and 10917. After we will calculate the factors of 10899 and 10917 and find the biggest common factor number .

Step-1: Prime Factorization of 10899

Prime factors of 10899 are 3, 7, 173. Prime factorization of 10899 in exponential form is:

10899 = 3² × 7¹ × 173¹

Step-2: Prime Factorization of 10917

Prime factors of 10917 are 3, 1213. Prime factorization of 10917 in exponential form is:

10917 = 3² × 1213¹

Step-3: Factors of 10899

List of positive integer factors of 10899 that divides 10899 without a remainder.

1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633

Step-4: Factors of 10917

List of positive integer factors of 10917 that divides 10899 without a remainder.

1, 3, 9, 1213, 3639

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10899 and 10917. The biggest common factor number is the GCF number.
So the greatest common factor 10899 and 10917 is 9.

Also check out the Least Common Multiple of 10899 and 10917