What is the Greatest Common Factor of 19591 and 19604?

Greatest common factor (GCF) of 19591 and 19604 is 13.

GCF(19591,19604) = 13

We will now calculate the prime factors of 19591 and 19604, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19591 and 19604.

How to find the GCF of 19591 and 19604?

We will first find the prime factorization of 19591 and 19604. After we will calculate the factors of 19591 and 19604 and find the biggest common factor number .

Step-1: Prime Factorization of 19591

Prime factors of 19591 are 11, 13, 137. Prime factorization of 19591 in exponential form is:

19591 = 11¹ × 13¹ × 137¹

Step-2: Prime Factorization of 19604

Prime factors of 19604 are 2, 13, 29. Prime factorization of 19604 in exponential form is:

19604 = 2² × 13² × 29¹

Step-3: Factors of 19591

List of positive integer factors of 19591 that divides 19591 without a remainder.

1, 11, 13, 137, 143, 1507, 1781

Step-4: Factors of 19604

List of positive integer factors of 19604 that divides 19591 without a remainder.

1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1508, 4901, 9802

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19591 and 19604. The biggest common factor number is the GCF number.
So the greatest common factor 19591 and 19604 is 13.

Also check out the Least Common Multiple of 19591 and 19604