GCF and LCM Calculator Logo

What is the Greatest Common Factor of 16870 and 16887?

Greatest common factor (GCF) of 16870 and 16887 is 1.

GCF(16870,16887) = 1

We will now calculate the prime factors of 16870 and 16887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16870 and 16887.

GCF Calculator and
and

How to find the GCF of 16870 and 16887?

We will first find the prime factorization of 16870 and 16887. After we will calculate the factors of 16870 and 16887 and find the biggest common factor number .

Step-1: Prime Factorization of 16870

Prime factors of 16870 are 2, 5, 7, 241. Prime factorization of 16870 in exponential form is:

16870 = 21 × 51 × 71 × 2411

Step-2: Prime Factorization of 16887

Prime factors of 16887 are 3, 13, 433. Prime factorization of 16887 in exponential form is:

16887 = 31 × 131 × 4331

Step-3: Factors of 16870

List of positive integer factors of 16870 that divides 16870 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 1205, 1687, 2410, 3374, 8435

Step-4: Factors of 16887

List of positive integer factors of 16887 that divides 16870 without a remainder.

1, 3, 13, 39, 433, 1299, 5629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16870 and 16887. The biggest common factor number is the GCF number.
So the greatest common factor 16870 and 16887 is 1.

Also check out the Least Common Multiple of 16870 and 16887