What is the Greatest Common Factor of 3851 and 3857?

Greatest common factor (GCF) of 3851 and 3857 is 1.

GCF(3851,3857) = 1

We will now calculate the prime factors of 3851 and 3857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3851 and 3857.

How to find the GCF of 3851 and 3857?

We will first find the prime factorization of 3851 and 3857. After we will calculate the factors of 3851 and 3857 and find the biggest common factor number .

Step-1: Prime Factorization of 3851

Prime factors of 3851 are 3851. Prime factorization of 3851 in exponential form is:

3851 = 3851¹

Step-2: Prime Factorization of 3857

Prime factors of 3857 are 7, 19, 29. Prime factorization of 3857 in exponential form is:

3857 = 7¹ × 19¹ × 29¹

Step-3: Factors of 3851

List of positive integer factors of 3851 that divides 3851 without a remainder.

Step-4: Factors of 3857

List of positive integer factors of 3857 that divides 3851 without a remainder.

1, 7, 19, 29, 133, 203, 551

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3851 and 3857. The biggest common factor number is the GCF number.
So the greatest common factor 3851 and 3857 is 1.

Also check out the Least Common Multiple of 3851 and 3857