What is the Greatest Common Factor of 16861 and 16878?

Greatest common factor (GCF) of 16861 and 16878 is 1.

GCF(16861,16878) = 1

We will now calculate the prime factors of 16861 and 16878, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16861 and 16878.

How to find the GCF of 16861 and 16878?

We will first find the prime factorization of 16861 and 16878. After we will calculate the factors of 16861 and 16878 and find the biggest common factor number .

Step-1: Prime Factorization of 16861

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

16861 = 13¹ × 1297¹

Step-2: Prime Factorization of 16878

Prime factors of 16878 are 2, 3, 29, 97. Prime factorization of 16878 in exponential form is:

16878 = 2¹ × 3¹ × 29¹ × 97¹

Step-3: Factors of 16861

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

1, 13, 1297

Step-4: Factors of 16878

List of positive integer factors of 16878 that divides 16861 without a remainder.

1, 2, 3, 6, 29, 58, 87, 97, 174, 194, 291, 582, 2813, 5626, 8439

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16861 and 16878. The biggest common factor number is the GCF number.
So the greatest common factor 16861 and 16878 is 1.

Also check out the Least Common Multiple of 16861 and 16878