What is the Greatest Common Factor of 11815 and 11823?

Greatest common factor (GCF) of 11815 and 11823 is 1.

GCF(11815,11823) = 1

We will now calculate the prime factors of 11815 and 11823, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11815 and 11823.

How to find the GCF of 11815 and 11823?

We will first find the prime factorization of 11815 and 11823. After we will calculate the factors of 11815 and 11823 and find the biggest common factor number .

Step-1: Prime Factorization of 11815

Prime factors of 11815 are 5, 17, 139. Prime factorization of 11815 in exponential form is:

11815 = 5¹ × 17¹ × 139¹

Step-2: Prime Factorization of 11823

Prime factors of 11823 are 3, 7, 563. Prime factorization of 11823 in exponential form is:

11823 = 3¹ × 7¹ × 563¹

Step-3: Factors of 11815

List of positive integer factors of 11815 that divides 11815 without a remainder.

1, 5, 17, 85, 139, 695, 2363

Step-4: Factors of 11823

List of positive integer factors of 11823 that divides 11815 without a remainder.

1, 3, 7, 21, 563, 1689, 3941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11815 and 11823. The biggest common factor number is the GCF number.
So the greatest common factor 11815 and 11823 is 1.

Also check out the Least Common Multiple of 11815 and 11823