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What is the Greatest Common Factor of 16887 and 16891?

Greatest common factor (GCF) of 16887 and 16891 is 1.

GCF(16887,16891) = 1

We will now calculate the prime factors of 16887 and 16891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16887 and 16891.

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How to find the GCF of 16887 and 16891?

We will first find the prime factorization of 16887 and 16891. After we will calculate the factors of 16887 and 16891 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 16891

Prime factors of 16891 are 7, 19, 127. Prime factorization of 16891 in exponential form is:

16891 = 71 × 191 × 1271

Step-3: Factors of 16887

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

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

Step-4: Factors of 16891

List of positive integer factors of 16891 that divides 16887 without a remainder.

1, 7, 19, 127, 133, 889, 2413

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16887 and 16891. The biggest common factor number is the GCF number.
So the greatest common factor 16887 and 16891 is 1.

Also check out the Least Common Multiple of 16887 and 16891