What is the Greatest Common Factor of 1881 and 1887?

Greatest common factor (GCF) of 1881 and 1887 is 3.

GCF(1881,1887) = 3

We will now calculate the prime factors of 1881 and 1887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1881 and 1887.

How to find the GCF of 1881 and 1887?

We will first find the prime factorization of 1881 and 1887. After we will calculate the factors of 1881 and 1887 and find the biggest common factor number .

Step-1: Prime Factorization of 1881

Prime factors of 1881 are 3, 11, 19. Prime factorization of 1881 in exponential form is:

1881 = 3² × 11¹ × 19¹

Step-2: Prime Factorization of 1887

Prime factors of 1887 are 3, 17, 37. Prime factorization of 1887 in exponential form is:

1887 = 3¹ × 17¹ × 37¹

Step-3: Factors of 1881

List of positive integer factors of 1881 that divides 1881 without a remainder.

1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627

Step-4: Factors of 1887

List of positive integer factors of 1887 that divides 1881 without a remainder.

1, 3, 17, 37, 51, 111, 629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1881 and 1887. The biggest common factor number is the GCF number.
So the greatest common factor 1881 and 1887 is 3.

Also check out the Least Common Multiple of 1881 and 1887