What is the Greatest Common Factor of 90555 and 90570?

Greatest common factor (GCF) of 90555 and 90570 is 15.

GCF(90555,90570) = 15

We will now calculate the prime factors of 90555 and 90570, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90555 and 90570.

How to find the GCF of 90555 and 90570?

We will first find the prime factorization of 90555 and 90570. After we will calculate the factors of 90555 and 90570 and find the biggest common factor number .

Step-1: Prime Factorization of 90555

Prime factors of 90555 are 3, 5, 6037. Prime factorization of 90555 in exponential form is:

90555 = 3¹ × 5¹ × 6037¹

Step-2: Prime Factorization of 90570

Prime factors of 90570 are 2, 3, 5, 3019. Prime factorization of 90570 in exponential form is:

90570 = 2¹ × 3¹ × 5¹ × 3019¹

Step-3: Factors of 90555

List of positive integer factors of 90555 that divides 90555 without a remainder.

1, 3, 5, 15, 6037, 18111, 30185

Step-4: Factors of 90570

List of positive integer factors of 90570 that divides 90555 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 3019, 6038, 9057, 15095, 18114, 30190, 45285

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90555 and 90570. The biggest common factor number is the GCF number.
So the greatest common factor 90555 and 90570 is 15.

Also check out the Least Common Multiple of 90555 and 90570