What is the Greatest Common Factor of 91091 and 91102?

Greatest common factor (GCF) of 91091 and 91102 is 11.

GCF(91091,91102) = 11

We will now calculate the prime factors of 91091 and 91102, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91091 and 91102.

How to find the GCF of 91091 and 91102?

We will first find the prime factorization of 91091 and 91102. After we will calculate the factors of 91091 and 91102 and find the biggest common factor number .

Step-1: Prime Factorization of 91091

Prime factors of 91091 are 7, 11, 13. Prime factorization of 91091 in exponential form is:

91091 = 7² × 11¹ × 13²

Step-2: Prime Factorization of 91102

Prime factors of 91102 are 2, 11, 41, 101. Prime factorization of 91102 in exponential form is:

91102 = 2¹ × 11¹ × 41¹ × 101¹

Step-3: Factors of 91091

List of positive integer factors of 91091 that divides 91091 without a remainder.

1, 7, 11, 13, 49, 77, 91, 143, 169, 539, 637, 1001, 1183, 1859, 7007, 8281, 13013

Step-4: Factors of 91102

List of positive integer factors of 91102 that divides 91091 without a remainder.

1, 2, 11, 22, 41, 82, 101, 202, 451, 902, 1111, 2222, 4141, 8282, 45551

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91091 and 91102. The biggest common factor number is the GCF number.
So the greatest common factor 91091 and 91102 is 11.

Also check out the Least Common Multiple of 91091 and 91102