What is the Greatest Common Factor of 13390 and 13405?

Greatest common factor (GCF) of 13390 and 13405 is 5.

GCF(13390,13405) = 5

We will now calculate the prime factors of 13390 and 13405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13390 and 13405.

How to find the GCF of 13390 and 13405?

We will first find the prime factorization of 13390 and 13405. After we will calculate the factors of 13390 and 13405 and find the biggest common factor number .

Step-1: Prime Factorization of 13390

Prime factors of 13390 are 2, 5, 13, 103. Prime factorization of 13390 in exponential form is:

13390 = 2¹ × 5¹ × 13¹ × 103¹

Step-2: Prime Factorization of 13405

Prime factors of 13405 are 5, 7, 383. Prime factorization of 13405 in exponential form is:

13405 = 5¹ × 7¹ × 383¹

Step-3: Factors of 13390

List of positive integer factors of 13390 that divides 13390 without a remainder.

1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695

Step-4: Factors of 13405

List of positive integer factors of 13405 that divides 13390 without a remainder.

1, 5, 7, 35, 383, 1915, 2681

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13390 and 13405. The biggest common factor number is the GCF number.
So the greatest common factor 13390 and 13405 is 5.

Also check out the Least Common Multiple of 13390 and 13405