What is the Greatest Common Factor of 16861 and 16880?

Greatest common factor (GCF) of 16861 and 16880 is 1.

GCF(16861,16880) = 1

We will now calculate the prime factors of 16861 and 16880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16861 and 16880.

How to find the GCF of 16861 and 16880?

We will first find the prime factorization of 16861 and 16880. After we will calculate the factors of 16861 and 16880 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 16880

Prime factors of 16880 are 2, 5, 211. Prime factorization of 16880 in exponential form is:

16880 = 2⁴ × 5¹ × 211¹

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 16880

List of positive integer factors of 16880 that divides 16861 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16861 and 16880. The biggest common factor number is the GCF number.
So the greatest common factor 16861 and 16880 is 1.

Also check out the Least Common Multiple of 16861 and 16880