What is the Greatest Common Factor of 15998 and 16015?

Greatest common factor (GCF) of 15998 and 16015 is 1.

GCF(15998,16015) = 1

We will now calculate the prime factors of 15998 and 16015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15998 and 16015.

How to find the GCF of 15998 and 16015?

We will first find the prime factorization of 15998 and 16015. After we will calculate the factors of 15998 and 16015 and find the biggest common factor number .

Step-1: Prime Factorization of 15998

Prime factors of 15998 are 2, 19, 421. Prime factorization of 15998 in exponential form is:

15998 = 2¹ × 19¹ × 421¹

Step-2: Prime Factorization of 16015

Prime factors of 16015 are 5, 3203. Prime factorization of 16015 in exponential form is:

16015 = 5¹ × 3203¹

Step-3: Factors of 15998

List of positive integer factors of 15998 that divides 15998 without a remainder.

1, 2, 19, 38, 421, 842, 7999

Step-4: Factors of 16015

List of positive integer factors of 16015 that divides 15998 without a remainder.

1, 5, 3203

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15998 and 16015. The biggest common factor number is the GCF number.
So the greatest common factor 15998 and 16015 is 1.

Also check out the Least Common Multiple of 15998 and 16015