What is the Greatest Common Factor of 16858 and 16864?

Greatest common factor (GCF) of 16858 and 16864 is 2.

GCF(16858,16864) = 2

We will now calculate the prime factors of 16858 and 16864, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16858 and 16864.

How to find the GCF of 16858 and 16864?

We will first find the prime factorization of 16858 and 16864. After we will calculate the factors of 16858 and 16864 and find the biggest common factor number .

Step-1: Prime Factorization of 16858

Prime factors of 16858 are 2, 8429. Prime factorization of 16858 in exponential form is:

16858 = 2¹ × 8429¹

Step-2: Prime Factorization of 16864

Prime factors of 16864 are 2, 17, 31. Prime factorization of 16864 in exponential form is:

16864 = 2⁵ × 17¹ × 31¹

Step-3: Factors of 16858

List of positive integer factors of 16858 that divides 16858 without a remainder.

1, 2, 8429

Step-4: Factors of 16864

List of positive integer factors of 16864 that divides 16858 without a remainder.

1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16858 and 16864. The biggest common factor number is the GCF number.
So the greatest common factor 16858 and 16864 is 2.

Also check out the Least Common Multiple of 16858 and 16864