What is the Greatest Common Factor of 13570 and 13585?

Greatest common factor (GCF) of 13570 and 13585 is 5.

GCF(13570,13585) = 5

We will now calculate the prime factors of 13570 and 13585, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13570 and 13585.

How to find the GCF of 13570 and 13585?

We will first find the prime factorization of 13570 and 13585. After we will calculate the factors of 13570 and 13585 and find the biggest common factor number .

Step-1: Prime Factorization of 13570

Prime factors of 13570 are 2, 5, 23, 59. Prime factorization of 13570 in exponential form is:

13570 = 2¹ × 5¹ × 23¹ × 59¹

Step-2: Prime Factorization of 13585

Prime factors of 13585 are 5, 11, 13, 19. Prime factorization of 13585 in exponential form is:

13585 = 5¹ × 11¹ × 13¹ × 19¹

Step-3: Factors of 13570

List of positive integer factors of 13570 that divides 13570 without a remainder.

1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 2714, 6785

Step-4: Factors of 13585

List of positive integer factors of 13585 that divides 13570 without a remainder.

1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13570 and 13585. The biggest common factor number is the GCF number.
So the greatest common factor 13570 and 13585 is 5.

Also check out the Least Common Multiple of 13570 and 13585