What is the Greatest Common Factor of 13090 and 13105?

Greatest common factor (GCF) of 13090 and 13105 is 5.

GCF(13090,13105) = 5

We will now calculate the prime factors of 13090 and 13105, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13090 and 13105.

How to find the GCF of 13090 and 13105?

We will first find the prime factorization of 13090 and 13105. After we will calculate the factors of 13090 and 13105 and find the biggest common factor number .

Step-1: Prime Factorization of 13090

Prime factors of 13090 are 2, 5, 7, 11, 17. Prime factorization of 13090 in exponential form is:

13090 = 2¹ × 5¹ × 7¹ × 11¹ × 17¹

Step-2: Prime Factorization of 13105

Prime factors of 13105 are 5, 2621. Prime factorization of 13105 in exponential form is:

13105 = 5¹ × 2621¹

Step-3: Factors of 13090

List of positive integer factors of 13090 that divides 13090 without a remainder.

1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2618, 6545

Step-4: Factors of 13105

List of positive integer factors of 13105 that divides 13090 without a remainder.

1, 5, 2621

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13090 and 13105. The biggest common factor number is the GCF number.
So the greatest common factor 13090 and 13105 is 5.

Also check out the Least Common Multiple of 13090 and 13105