What is the Greatest Common Factor of 9081 and 9090?

Greatest common factor (GCF) of 9081 and 9090 is 9.

GCF(9081,9090) = 9

We will now calculate the prime factors of 9081 and 9090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9081 and 9090.

How to find the GCF of 9081 and 9090?

We will first find the prime factorization of 9081 and 9090. After we will calculate the factors of 9081 and 9090 and find the biggest common factor number .

Step-1: Prime Factorization of 9081

Prime factors of 9081 are 3, 1009. Prime factorization of 9081 in exponential form is:

9081 = 3² × 1009¹

Step-2: Prime Factorization of 9090

Prime factors of 9090 are 2, 3, 5, 101. Prime factorization of 9090 in exponential form is:

9090 = 2¹ × 3² × 5¹ × 101¹

Step-3: Factors of 9081

List of positive integer factors of 9081 that divides 9081 without a remainder.

1, 3, 9, 1009, 3027

Step-4: Factors of 9090

List of positive integer factors of 9090 that divides 9081 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9081 and 9090. The biggest common factor number is the GCF number.
So the greatest common factor 9081 and 9090 is 9.

Also check out the Least Common Multiple of 9081 and 9090