What is the Greatest Common Factor of 9090 and 9105?

Greatest common factor (GCF) of 9090 and 9105 is 15.

GCF(9090,9105) = 15

We will now calculate the prime factors of 9090 and 9105, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9090 and 9105.

How to find the GCF of 9090 and 9105?

We will first find the prime factorization of 9090 and 9105. After we will calculate the factors of 9090 and 9105 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 9105

Prime factors of 9105 are 3, 5, 607. Prime factorization of 9105 in exponential form is:

9105 = 3¹ × 5¹ × 607¹

Step-3: Factors of 9090

List of positive integer factors of 9090 that divides 9090 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

Step-4: Factors of 9105

List of positive integer factors of 9105 that divides 9090 without a remainder.

1, 3, 5, 15, 607, 1821, 3035

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9090 and 9105. The biggest common factor number is the GCF number.
So the greatest common factor 9090 and 9105 is 15.

Also check out the Least Common Multiple of 9090 and 9105