What is the Greatest Common Factor of 90390 and 90398?

Greatest common factor (GCF) of 90390 and 90398 is 2.

GCF(90390,90398) = 2

We will now calculate the prime factors of 90390 and 90398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90390 and 90398.

How to find the GCF of 90390 and 90398?

We will first find the prime factorization of 90390 and 90398. After we will calculate the factors of 90390 and 90398 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 90398

Prime factors of 90398 are 2, 7, 11, 587. Prime factorization of 90398 in exponential form is:

90398 = 2¹ × 7¹ × 11¹ × 587¹

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 90398

List of positive integer factors of 90398 that divides 90390 without a remainder.

1, 2, 7, 11, 14, 22, 77, 154, 587, 1174, 4109, 6457, 8218, 12914, 45199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90390 and 90398. The biggest common factor number is the GCF number.
So the greatest common factor 90390 and 90398 is 2.

Also check out the Least Common Multiple of 90390 and 90398