What is the Greatest Common Factor of 16668 and 16688?

Greatest common factor (GCF) of 16668 and 16688 is 4.

GCF(16668,16688) = 4

We will now calculate the prime factors of 16668 and 16688, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16668 and 16688.

How to find the GCF of 16668 and 16688?

We will first find the prime factorization of 16668 and 16688. After we will calculate the factors of 16668 and 16688 and find the biggest common factor number .

Step-1: Prime Factorization of 16668

Prime factors of 16668 are 2, 3, 463. Prime factorization of 16668 in exponential form is:

16668 = 2² × 3² × 463¹

Step-2: Prime Factorization of 16688

Prime factors of 16688 are 2, 7, 149. Prime factorization of 16688 in exponential form is:

16688 = 2⁴ × 7¹ × 149¹

Step-3: Factors of 16668

List of positive integer factors of 16668 that divides 16668 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1389, 1852, 2778, 4167, 5556, 8334

Step-4: Factors of 16688

List of positive integer factors of 16688 that divides 16668 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 2086, 2384, 4172, 8344

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16668 and 16688. The biggest common factor number is the GCF number.
So the greatest common factor 16668 and 16688 is 4.

Also check out the Least Common Multiple of 16668 and 16688