What is the Greatest Common Factor of 13309 and 13320?

Greatest common factor (GCF) of 13309 and 13320 is 1.

GCF(13309,13320) = 1

We will now calculate the prime factors of 13309 and 13320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13309 and 13320.

How to find the GCF of 13309 and 13320?

We will first find the prime factorization of 13309 and 13320. After we will calculate the factors of 13309 and 13320 and find the biggest common factor number .

Step-1: Prime Factorization of 13309

Prime factors of 13309 are 13309. Prime factorization of 13309 in exponential form is:

13309 = 13309¹

Step-2: Prime Factorization of 13320

Prime factors of 13320 are 2, 3, 5, 37. Prime factorization of 13320 in exponential form is:

13320 = 2³ × 3² × 5¹ × 37¹

Step-3: Factors of 13309

List of positive integer factors of 13309 that divides 13309 without a remainder.

Step-4: Factors of 13320

List of positive integer factors of 13320 that divides 13309 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13309 and 13320. The biggest common factor number is the GCF number.
So the greatest common factor 13309 and 13320 is 1.

Also check out the Least Common Multiple of 13309 and 13320