What is the Greatest Common Factor of 15309 and 15319?

Greatest common factor (GCF) of 15309 and 15319 is 1.

GCF(15309,15319) = 1

We will now calculate the prime factors of 15309 and 15319, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15309 and 15319.

How to find the GCF of 15309 and 15319?

We will first find the prime factorization of 15309 and 15319. After we will calculate the factors of 15309 and 15319 and find the biggest common factor number .

Step-1: Prime Factorization of 15309

Prime factors of 15309 are 3, 7. Prime factorization of 15309 in exponential form is:

15309 = 3⁷ × 7¹

Step-2: Prime Factorization of 15319

Prime factors of 15319 are 15319. Prime factorization of 15319 in exponential form is:

15319 = 15319¹

Step-3: Factors of 15309

List of positive integer factors of 15309 that divides 15309 without a remainder.

1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103

Step-4: Factors of 15319

List of positive integer factors of 15319 that divides 15309 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15309 and 15319. The biggest common factor number is the GCF number.
So the greatest common factor 15309 and 15319 is 1.

Also check out the Least Common Multiple of 15309 and 15319