What is the Greatest Common Factor of 16401 and 16408?

Greatest common factor (GCF) of 16401 and 16408 is 7.

GCF(16401,16408) = 7

We will now calculate the prime factors of 16401 and 16408, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16401 and 16408.

How to find the GCF of 16401 and 16408?

We will first find the prime factorization of 16401 and 16408. After we will calculate the factors of 16401 and 16408 and find the biggest common factor number .

Step-1: Prime Factorization of 16401

Prime factors of 16401 are 3, 7, 11, 71. Prime factorization of 16401 in exponential form is:

16401 = 3¹ × 7¹ × 11¹ × 71¹

Step-2: Prime Factorization of 16408

Prime factors of 16408 are 2, 7, 293. Prime factorization of 16408 in exponential form is:

16408 = 2³ × 7¹ × 293¹

Step-3: Factors of 16401

List of positive integer factors of 16401 that divides 16401 without a remainder.

1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467

Step-4: Factors of 16408

List of positive integer factors of 16408 that divides 16401 without a remainder.

1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 2051, 2344, 4102, 8204

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16401 and 16408. The biggest common factor number is the GCF number.
So the greatest common factor 16401 and 16408 is 7.

Also check out the Least Common Multiple of 16401 and 16408