What is the Greatest Common Factor of 11705 and 11715?

Greatest common factor (GCF) of 11705 and 11715 is 5.

GCF(11705,11715) = 5

We will now calculate the prime factors of 11705 and 11715, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11705 and 11715.

How to find the GCF of 11705 and 11715?

We will first find the prime factorization of 11705 and 11715. After we will calculate the factors of 11705 and 11715 and find the biggest common factor number .

Step-1: Prime Factorization of 11705

Prime factors of 11705 are 5, 2341. Prime factorization of 11705 in exponential form is:

11705 = 5¹ × 2341¹

Step-2: Prime Factorization of 11715

Prime factors of 11715 are 3, 5, 11, 71. Prime factorization of 11715 in exponential form is:

11715 = 3¹ × 5¹ × 11¹ × 71¹

Step-3: Factors of 11705

List of positive integer factors of 11705 that divides 11705 without a remainder.

1, 5, 2341

Step-4: Factors of 11715

List of positive integer factors of 11715 that divides 11705 without a remainder.

1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11705 and 11715. The biggest common factor number is the GCF number.
So the greatest common factor 11705 and 11715 is 5.

Also check out the Least Common Multiple of 11705 and 11715