What is the Greatest Common Factor of 18651 and 18666?

Greatest common factor (GCF) of 18651 and 18666 is 3.

GCF(18651,18666) = 3

We will now calculate the prime factors of 18651 and 18666, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18651 and 18666.

How to find the GCF of 18651 and 18666?

We will first find the prime factorization of 18651 and 18666. After we will calculate the factors of 18651 and 18666 and find the biggest common factor number .

Step-1: Prime Factorization of 18651

Prime factors of 18651 are 3, 6217. Prime factorization of 18651 in exponential form is:

18651 = 3¹ × 6217¹

Step-2: Prime Factorization of 18666

Prime factors of 18666 are 2, 3, 17, 61. Prime factorization of 18666 in exponential form is:

18666 = 2¹ × 3² × 17¹ × 61¹

Step-3: Factors of 18651

List of positive integer factors of 18651 that divides 18651 without a remainder.

1, 3, 6217

Step-4: Factors of 18666

List of positive integer factors of 18666 that divides 18651 without a remainder.

1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1098, 2074, 3111, 6222, 9333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18651 and 18666. The biggest common factor number is the GCF number.
So the greatest common factor 18651 and 18666 is 3.

Also check out the Least Common Multiple of 18651 and 18666