What is the Greatest Common Factor of 1887 and 1902?

Greatest common factor (GCF) of 1887 and 1902 is 3.

GCF(1887,1902) = 3

We will now calculate the prime factors of 1887 and 1902, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1887 and 1902.

How to find the GCF of 1887 and 1902?

We will first find the prime factorization of 1887 and 1902. After we will calculate the factors of 1887 and 1902 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 1902

Prime factors of 1902 are 2, 3, 317. Prime factorization of 1902 in exponential form is:

1902 = 2¹ × 3¹ × 317¹

Step-3: Factors of 1887

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

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

Step-4: Factors of 1902

List of positive integer factors of 1902 that divides 1887 without a remainder.

1, 2, 3, 6, 317, 634, 951

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1887 and 1902. The biggest common factor number is the GCF number.
So the greatest common factor 1887 and 1902 is 3.

Also check out the Least Common Multiple of 1887 and 1902