What is the Greatest Common Factor of 1855 and 1871?

Greatest common factor (GCF) of 1855 and 1871 is 1.

GCF(1855,1871) = 1

We will now calculate the prime factors of 1855 and 1871, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1855 and 1871.

How to find the GCF of 1855 and 1871?

We will first find the prime factorization of 1855 and 1871. After we will calculate the factors of 1855 and 1871 and find the biggest common factor number .

Step-1: Prime Factorization of 1855

Prime factors of 1855 are 5, 7, 53. Prime factorization of 1855 in exponential form is:

1855 = 5¹ × 7¹ × 53¹

Step-2: Prime Factorization of 1871

Prime factors of 1871 are 1871. Prime factorization of 1871 in exponential form is:

1871 = 1871¹

Step-3: Factors of 1855

List of positive integer factors of 1855 that divides 1855 without a remainder.

1, 5, 7, 35, 53, 265, 371

Step-4: Factors of 1871

List of positive integer factors of 1871 that divides 1855 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1855 and 1871. The biggest common factor number is the GCF number.
So the greatest common factor 1855 and 1871 is 1.

Also check out the Least Common Multiple of 1855 and 1871