What is the Greatest Common Factor of 66798 and 66816?

Greatest common factor (GCF) of 66798 and 66816 is 18.

GCF(66798,66816) = 18

We will now calculate the prime factors of 66798 and 66816, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66798 and 66816.

How to find the GCF of 66798 and 66816?

We will first find the prime factorization of 66798 and 66816. After we will calculate the factors of 66798 and 66816 and find the biggest common factor number .

Step-1: Prime Factorization of 66798

Prime factors of 66798 are 2, 3, 1237. Prime factorization of 66798 in exponential form is:

66798 = 2¹ × 3³ × 1237¹

Step-2: Prime Factorization of 66816

Prime factors of 66816 are 2, 3, 29. Prime factorization of 66816 in exponential form is:

66816 = 2⁸ × 3² × 29¹

Step-3: Factors of 66798

List of positive integer factors of 66798 that divides 66798 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1237, 2474, 3711, 7422, 11133, 22266, 33399

Step-4: Factors of 66816

List of positive integer factors of 66816 that divides 66798 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 261, 288, 348, 384, 464, 522, 576, 696, 768, 928, 1044, 1152, 1392, 1856, 2088, 2304, 2784, 3712, 4176, 5568, 7424, 8352, 11136, 16704, 22272, 33408

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66798 and 66816. The biggest common factor number is the GCF number.
So the greatest common factor 66798 and 66816 is 18.

Also check out the Least Common Multiple of 66798 and 66816