What is the Greatest Common Factor of 10305 and 10309?

Greatest common factor (GCF) of 10305 and 10309 is 1.

GCF(10305,10309) = 1

We will now calculate the prime factors of 10305 and 10309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10305 and 10309.

How to find the GCF of 10305 and 10309?

We will first find the prime factorization of 10305 and 10309. After we will calculate the factors of 10305 and 10309 and find the biggest common factor number .

Step-1: Prime Factorization of 10305

Prime factors of 10305 are 3, 5, 229. Prime factorization of 10305 in exponential form is:

10305 = 3² × 5¹ × 229¹

Step-2: Prime Factorization of 10309

Prime factors of 10309 are 13, 61. Prime factorization of 10309 in exponential form is:

10309 = 13² × 61¹

Step-3: Factors of 10305

List of positive integer factors of 10305 that divides 10305 without a remainder.

1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 3435

Step-4: Factors of 10309

List of positive integer factors of 10309 that divides 10305 without a remainder.

1, 13, 61, 169, 793

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10305 and 10309. The biggest common factor number is the GCF number.
So the greatest common factor 10305 and 10309 is 1.

Also check out the Least Common Multiple of 10305 and 10309