What is the Greatest Common Factor of 30285 and 30290?

Greatest common factor (GCF) of 30285 and 30290 is 5.

GCF(30285,30290) = 5

We will now calculate the prime factors of 30285 and 30290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30285 and 30290.

How to find the GCF of 30285 and 30290?

We will first find the prime factorization of 30285 and 30290. After we will calculate the factors of 30285 and 30290 and find the biggest common factor number .

Step-1: Prime Factorization of 30285

Prime factors of 30285 are 3, 5, 673. Prime factorization of 30285 in exponential form is:

30285 = 3² × 5¹ × 673¹

Step-2: 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-3: Factors of 30285

List of positive integer factors of 30285 that divides 30285 without a remainder.

1, 3, 5, 9, 15, 45, 673, 2019, 3365, 6057, 10095

Step-4: Factors of 30290

List of positive integer factors of 30290 that divides 30285 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30285 and 30290. The biggest common factor number is the GCF number.
So the greatest common factor 30285 and 30290 is 5.

Also check out the Least Common Multiple of 30285 and 30290