What is the Greatest Common Factor of 16855 and 16861?

Greatest common factor (GCF) of 16855 and 16861 is 1.

GCF(16855,16861) = 1

We will now calculate the prime factors of 16855 and 16861, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16855 and 16861.

How to find the GCF of 16855 and 16861?

We will first find the prime factorization of 16855 and 16861. After we will calculate the factors of 16855 and 16861 and find the biggest common factor number .

Step-1: Prime Factorization of 16855

Prime factors of 16855 are 5, 3371. Prime factorization of 16855 in exponential form is:

16855 = 5¹ × 3371¹

Step-2: Prime Factorization of 16861

Prime factors of 16861 are 13, 1297. Prime factorization of 16861 in exponential form is:

16861 = 13¹ × 1297¹

Step-3: Factors of 16855

List of positive integer factors of 16855 that divides 16855 without a remainder.

1, 5, 3371

Step-4: Factors of 16861

List of positive integer factors of 16861 that divides 16855 without a remainder.

1, 13, 1297

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16855 and 16861. The biggest common factor number is the GCF number.
So the greatest common factor 16855 and 16861 is 1.

Also check out the Least Common Multiple of 16855 and 16861