What is the Greatest Common Factor of 66090 and 66105?

Greatest common factor (GCF) of 66090 and 66105 is 15.

GCF(66090,66105) = 15

We will now calculate the prime factors of 66090 and 66105, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66090 and 66105.

How to find the GCF of 66090 and 66105?

We will first find the prime factorization of 66090 and 66105. After we will calculate the factors of 66090 and 66105 and find the biggest common factor number .

Step-1: Prime Factorization of 66090

Prime factors of 66090 are 2, 3, 5, 2203. Prime factorization of 66090 in exponential form is:

66090 = 2¹ × 3¹ × 5¹ × 2203¹

Step-2: Prime Factorization of 66105

Prime factors of 66105 are 3, 5, 13, 113. Prime factorization of 66105 in exponential form is:

66105 = 3² × 5¹ × 13¹ × 113¹

Step-3: Factors of 66090

List of positive integer factors of 66090 that divides 66090 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2203, 4406, 6609, 11015, 13218, 22030, 33045

Step-4: Factors of 66105

List of positive integer factors of 66105 that divides 66090 without a remainder.

1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 339, 565, 585, 1017, 1469, 1695, 4407, 5085, 7345, 13221, 22035

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66090 and 66105. The biggest common factor number is the GCF number.
So the greatest common factor 66090 and 66105 is 15.

Also check out the Least Common Multiple of 66090 and 66105