What is the Greatest Common Factor of 15821 and 15839?

Greatest common factor (GCF) of 15821 and 15839 is 1.

GCF(15821,15839) = 1

We will now calculate the prime factors of 15821 and 15839, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15821 and 15839.

How to find the GCF of 15821 and 15839?

We will first find the prime factorization of 15821 and 15839. After we will calculate the factors of 15821 and 15839 and find the biggest common factor number .

Step-1: Prime Factorization of 15821

Prime factors of 15821 are 13, 1217. Prime factorization of 15821 in exponential form is:

15821 = 13¹ × 1217¹

Step-2: Prime Factorization of 15839

Prime factors of 15839 are 47, 337. Prime factorization of 15839 in exponential form is:

15839 = 47¹ × 337¹

Step-3: Factors of 15821

List of positive integer factors of 15821 that divides 15821 without a remainder.

1, 13, 1217

Step-4: Factors of 15839

List of positive integer factors of 15839 that divides 15821 without a remainder.

1, 47, 337

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15821 and 15839. The biggest common factor number is the GCF number.
So the greatest common factor 15821 and 15839 is 1.

Also check out the Least Common Multiple of 15821 and 15839