What is the Greatest Common Factor of 10917 and 10921?

Greatest common factor (GCF) of 10917 and 10921 is 1.

GCF(10917,10921) = 1

We will now calculate the prime factors of 10917 and 10921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10917 and 10921.

How to find the GCF of 10917 and 10921?

We will first find the prime factorization of 10917 and 10921. After we will calculate the factors of 10917 and 10921 and find the biggest common factor number .

Step-1: Prime Factorization of 10917

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

10917 = 3² × 1213¹

Step-2: Prime Factorization of 10921

Prime factors of 10921 are 67, 163. Prime factorization of 10921 in exponential form is:

10921 = 67¹ × 163¹

Step-3: Factors of 10917

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

1, 3, 9, 1213, 3639

Step-4: Factors of 10921

List of positive integer factors of 10921 that divides 10917 without a remainder.

1, 67, 163

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10917 and 10921. The biggest common factor number is the GCF number.
So the greatest common factor 10917 and 10921 is 1.

Also check out the Least Common Multiple of 10917 and 10921