What is the Greatest Common Factor of 1881 and 1889?

Greatest common factor (GCF) of 1881 and 1889 is 1.

GCF(1881,1889) = 1

We will now calculate the prime factors of 1881 and 1889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1881 and 1889.

How to find the GCF of 1881 and 1889?

We will first find the prime factorization of 1881 and 1889. After we will calculate the factors of 1881 and 1889 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 1889

Prime factors of 1889 are 1889. Prime factorization of 1889 in exponential form is:

1889 = 1889¹

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 1889

List of positive integer factors of 1889 that divides 1881 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1881 and 1889. The biggest common factor number is the GCF number.
So the greatest common factor 1881 and 1889 is 1.

Also check out the Least Common Multiple of 1881 and 1889