What is the Greatest Common Factor of 15381 and 15388?

Greatest common factor (GCF) of 15381 and 15388 is 1.

GCF(15381,15388) = 1

We will now calculate the prime factors of 15381 and 15388, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15381 and 15388.

How to find the GCF of 15381 and 15388?

We will first find the prime factorization of 15381 and 15388. After we will calculate the factors of 15381 and 15388 and find the biggest common factor number .

Step-1: Prime Factorization of 15381

Prime factors of 15381 are 3, 1709. Prime factorization of 15381 in exponential form is:

15381 = 3² × 1709¹

Step-2: Prime Factorization of 15388

Prime factors of 15388 are 2, 3847. Prime factorization of 15388 in exponential form is:

15388 = 2² × 3847¹

Step-3: Factors of 15381

List of positive integer factors of 15381 that divides 15381 without a remainder.

1, 3, 9, 1709, 5127

Step-4: Factors of 15388

List of positive integer factors of 15388 that divides 15381 without a remainder.

1, 2, 4, 3847, 7694

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15381 and 15388. The biggest common factor number is the GCF number.
So the greatest common factor 15381 and 15388 is 1.

Also check out the Least Common Multiple of 15381 and 15388