What is the Greatest Common Factor of 16390 and 16406?

Greatest common factor (GCF) of 16390 and 16406 is 2.

GCF(16390,16406) = 2

We will now calculate the prime factors of 16390 and 16406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16390 and 16406.

How to find the GCF of 16390 and 16406?

We will first find the prime factorization of 16390 and 16406. After we will calculate the factors of 16390 and 16406 and find the biggest common factor number .

Step-1: Prime Factorization of 16390

Prime factors of 16390 are 2, 5, 11, 149. Prime factorization of 16390 in exponential form is:

16390 = 2¹ × 5¹ × 11¹ × 149¹

Step-2: Prime Factorization of 16406

Prime factors of 16406 are 2, 13, 631. Prime factorization of 16406 in exponential form is:

16406 = 2¹ × 13¹ × 631¹

Step-3: Factors of 16390

List of positive integer factors of 16390 that divides 16390 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 8195

Step-4: Factors of 16406

List of positive integer factors of 16406 that divides 16390 without a remainder.

1, 2, 13, 26, 631, 1262, 8203

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16390 and 16406. The biggest common factor number is the GCF number.
So the greatest common factor 16390 and 16406 is 2.

Also check out the Least Common Multiple of 16390 and 16406