What is the Greatest Common Factor of 90515 and 90530?

Greatest common factor (GCF) of 90515 and 90530 is 5.

GCF(90515,90530) = 5

We will now calculate the prime factors of 90515 and 90530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90515 and 90530.

How to find the GCF of 90515 and 90530?

We will first find the prime factorization of 90515 and 90530. After we will calculate the factors of 90515 and 90530 and find the biggest common factor number .

Step-1: Prime Factorization of 90515

Prime factors of 90515 are 5, 43, 421. Prime factorization of 90515 in exponential form is:

90515 = 5¹ × 43¹ × 421¹

Step-2: Prime Factorization of 90530

Prime factors of 90530 are 2, 5, 11, 823. Prime factorization of 90530 in exponential form is:

90530 = 2¹ × 5¹ × 11¹ × 823¹

Step-3: Factors of 90515

List of positive integer factors of 90515 that divides 90515 without a remainder.

1, 5, 43, 215, 421, 2105, 18103

Step-4: Factors of 90530

List of positive integer factors of 90530 that divides 90515 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 823, 1646, 4115, 8230, 9053, 18106, 45265

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90515 and 90530. The biggest common factor number is the GCF number.
So the greatest common factor 90515 and 90530 is 5.

Also check out the Least Common Multiple of 90515 and 90530