What is the Greatest Common Factor of 90390 and 90399?

Greatest common factor (GCF) of 90390 and 90399 is 3.

GCF(90390,90399) = 3

We will now calculate the prime factors of 90390 and 90399, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90390 and 90399.

How to find the GCF of 90390 and 90399?

We will first find the prime factorization of 90390 and 90399. After we will calculate the factors of 90390 and 90399 and find the biggest common factor number .

Step-1: Prime Factorization of 90390

Prime factors of 90390 are 2, 3, 5, 23, 131. Prime factorization of 90390 in exponential form is:

90390 = 2¹ × 3¹ × 5¹ × 23¹ × 131¹

Step-2: Prime Factorization of 90399

Prime factors of 90399 are 3, 30133. Prime factorization of 90399 in exponential form is:

90399 = 3¹ × 30133¹

Step-3: Factors of 90390

List of positive integer factors of 90390 that divides 90390 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 131, 138, 230, 262, 345, 393, 655, 690, 786, 1310, 1965, 3013, 3930, 6026, 9039, 15065, 18078, 30130, 45195

Step-4: Factors of 90399

List of positive integer factors of 90399 that divides 90390 without a remainder.

1, 3, 30133

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90390 and 90399. The biggest common factor number is the GCF number.
So the greatest common factor 90390 and 90399 is 3.

Also check out the Least Common Multiple of 90390 and 90399