What is the Greatest Common Factor of 15918 and 15927?

Greatest common factor (GCF) of 15918 and 15927 is 3.

GCF(15918,15927) = 3

We will now calculate the prime factors of 15918 and 15927, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15918 and 15927.

How to find the GCF of 15918 and 15927?

We will first find the prime factorization of 15918 and 15927. After we will calculate the factors of 15918 and 15927 and find the biggest common factor number .

Step-1: Prime Factorization of 15918

Prime factors of 15918 are 2, 3, 7, 379. Prime factorization of 15918 in exponential form is:

15918 = 2¹ × 3¹ × 7¹ × 379¹

Step-2: Prime Factorization of 15927

Prime factors of 15927 are 3, 5309. Prime factorization of 15927 in exponential form is:

15927 = 3¹ × 5309¹

Step-3: Factors of 15918

List of positive integer factors of 15918 that divides 15918 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 379, 758, 1137, 2274, 2653, 5306, 7959

Step-4: Factors of 15927

List of positive integer factors of 15927 that divides 15918 without a remainder.

1, 3, 5309

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15918 and 15927. The biggest common factor number is the GCF number.
So the greatest common factor 15918 and 15927 is 3.

Also check out the Least Common Multiple of 15918 and 15927