What is the Greatest Common Factor of 30278 and 30285?

Greatest common factor (GCF) of 30278 and 30285 is 1.

GCF(30278,30285) = 1

We will now calculate the prime factors of 30278 and 30285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30278 and 30285.

How to find the GCF of 30278 and 30285?

We will first find the prime factorization of 30278 and 30285. After we will calculate the factors of 30278 and 30285 and find the biggest common factor number .

Step-1: Prime Factorization of 30278

Prime factors of 30278 are 2, 15139. Prime factorization of 30278 in exponential form is:

30278 = 2¹ × 15139¹

Step-2: 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-3: Factors of 30278

List of positive integer factors of 30278 that divides 30278 without a remainder.

1, 2, 15139

Step-4: Factors of 30285

List of positive integer factors of 30285 that divides 30278 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30278 and 30285. The biggest common factor number is the GCF number.
So the greatest common factor 30278 and 30285 is 1.

Also check out the Least Common Multiple of 30278 and 30285