What is the Greatest Common Factor of 90285 and 90305?

Greatest common factor (GCF) of 90285 and 90305 is 5.

GCF(90285,90305) = 5

We will now calculate the prime factors of 90285 and 90305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90285 and 90305.

How to find the GCF of 90285 and 90305?

We will first find the prime factorization of 90285 and 90305. After we will calculate the factors of 90285 and 90305 and find the biggest common factor number .

Step-1: Prime Factorization of 90285

Prime factors of 90285 are 3, 5, 13, 463. Prime factorization of 90285 in exponential form is:

90285 = 3¹ × 5¹ × 13¹ × 463¹

Step-2: Prime Factorization of 90305

Prime factors of 90305 are 5, 18061. Prime factorization of 90305 in exponential form is:

90305 = 5¹ × 18061¹

Step-3: Factors of 90285

List of positive integer factors of 90285 that divides 90285 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 463, 1389, 2315, 6019, 6945, 18057, 30095

Step-4: Factors of 90305

List of positive integer factors of 90305 that divides 90285 without a remainder.

1, 5, 18061

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90285 and 90305. The biggest common factor number is the GCF number.
So the greatest common factor 90285 and 90305 is 5.

Also check out the Least Common Multiple of 90285 and 90305