What is the Greatest Common Factor of 1866 and 1886?

Greatest common factor (GCF) of 1866 and 1886 is 2.

GCF(1866,1886) = 2

We will now calculate the prime factors of 1866 and 1886, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1866 and 1886.

How to find the GCF of 1866 and 1886?

We will first find the prime factorization of 1866 and 1886. After we will calculate the factors of 1866 and 1886 and find the biggest common factor number .

Step-1: Prime Factorization of 1866

Prime factors of 1866 are 2, 3, 311. Prime factorization of 1866 in exponential form is:

1866 = 2¹ × 3¹ × 311¹

Step-2: Prime Factorization of 1886

Prime factors of 1886 are 2, 23, 41. Prime factorization of 1886 in exponential form is:

1886 = 2¹ × 23¹ × 41¹

Step-3: Factors of 1866

List of positive integer factors of 1866 that divides 1866 without a remainder.

1, 2, 3, 6, 311, 622, 933

Step-4: Factors of 1886

List of positive integer factors of 1886 that divides 1866 without a remainder.

1, 2, 23, 41, 46, 82, 943

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1866 and 1886. The biggest common factor number is the GCF number.
So the greatest common factor 1866 and 1886 is 2.

Also check out the Least Common Multiple of 1866 and 1886