What is the Greatest Common Factor of 30290 and 30303?

Greatest common factor (GCF) of 30290 and 30303 is 13.

GCF(30290,30303) = 13

We will now calculate the prime factors of 30290 and 30303, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30290 and 30303.

How to find the GCF of 30290 and 30303?

We will first find the prime factorization of 30290 and 30303. After we will calculate the factors of 30290 and 30303 and find the biggest common factor number .

Step-1: Prime Factorization of 30290

Prime factors of 30290 are 2, 5, 13, 233. Prime factorization of 30290 in exponential form is:

30290 = 2¹ × 5¹ × 13¹ × 233¹

Step-2: Prime Factorization of 30303

Prime factors of 30303 are 3, 7, 13, 37. Prime factorization of 30303 in exponential form is:

30303 = 3² × 7¹ × 13¹ × 37¹

Step-3: Factors of 30290

List of positive integer factors of 30290 that divides 30290 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 1165, 2330, 3029, 6058, 15145

Step-4: Factors of 30303

List of positive integer factors of 30303 that divides 30290 without a remainder.

1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1443, 2331, 3367, 4329, 10101

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30290 and 30303. The biggest common factor number is the GCF number.
So the greatest common factor 30290 and 30303 is 13.

Also check out the Least Common Multiple of 30290 and 30303