What is the Greatest Common Factor of 30289 and 30309?

Greatest common factor (GCF) of 30289 and 30309 is 1.

GCF(30289,30309) = 1

We will now calculate the prime factors of 30289 and 30309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30289 and 30309.

How to find the GCF of 30289 and 30309?

We will first find the prime factorization of 30289 and 30309. After we will calculate the factors of 30289 and 30309 and find the biggest common factor number .

Step-1: Prime Factorization of 30289

Prime factors of 30289 are 7, 4327. Prime factorization of 30289 in exponential form is:

30289 = 7¹ × 4327¹

Step-2: Prime Factorization of 30309

Prime factors of 30309 are 3, 10103. Prime factorization of 30309 in exponential form is:

30309 = 3¹ × 10103¹

Step-3: Factors of 30289

List of positive integer factors of 30289 that divides 30289 without a remainder.

1, 7, 4327

Step-4: Factors of 30309

List of positive integer factors of 30309 that divides 30289 without a remainder.

1, 3, 10103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30289 and 30309. The biggest common factor number is the GCF number.
So the greatest common factor 30289 and 30309 is 1.

Also check out the Least Common Multiple of 30289 and 30309