What is the Greatest Common Factor of 43305 and 43309?

Greatest common factor (GCF) of 43305 and 43309 is 1.

GCF(43305,43309) = 1

We will now calculate the prime factors of 43305 and 43309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43305 and 43309.

How to find the GCF of 43305 and 43309?

We will first find the prime factorization of 43305 and 43309. After we will calculate the factors of 43305 and 43309 and find the biggest common factor number .

Step-1: Prime Factorization of 43305

Prime factors of 43305 are 3, 5, 2887. Prime factorization of 43305 in exponential form is:

43305 = 3¹ × 5¹ × 2887¹

Step-2: Prime Factorization of 43309

Prime factors of 43309 are 7, 23, 269. Prime factorization of 43309 in exponential form is:

43309 = 7¹ × 23¹ × 269¹

Step-3: Factors of 43305

List of positive integer factors of 43305 that divides 43305 without a remainder.

1, 3, 5, 15, 2887, 8661, 14435

Step-4: Factors of 43309

List of positive integer factors of 43309 that divides 43305 without a remainder.

1, 7, 23, 161, 269, 1883, 6187

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43305 and 43309. The biggest common factor number is the GCF number.
So the greatest common factor 43305 and 43309 is 1.

Also check out the Least Common Multiple of 43305 and 43309