What is the Greatest Common Factor of 3845 and 3858?

Greatest common factor (GCF) of 3845 and 3858 is 1.

GCF(3845,3858) = 1

We will now calculate the prime factors of 3845 and 3858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3845 and 3858.

How to find the GCF of 3845 and 3858?

We will first find the prime factorization of 3845 and 3858. After we will calculate the factors of 3845 and 3858 and find the biggest common factor number .

Step-1: Prime Factorization of 3845

Prime factors of 3845 are 5, 769. Prime factorization of 3845 in exponential form is:

3845 = 5¹ × 769¹

Step-2: Prime Factorization of 3858

Prime factors of 3858 are 2, 3, 643. Prime factorization of 3858 in exponential form is:

3858 = 2¹ × 3¹ × 643¹

Step-3: Factors of 3845

List of positive integer factors of 3845 that divides 3845 without a remainder.

1, 5, 769

Step-4: Factors of 3858

List of positive integer factors of 3858 that divides 3845 without a remainder.

1, 2, 3, 6, 643, 1286, 1929

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3845 and 3858. The biggest common factor number is the GCF number.
So the greatest common factor 3845 and 3858 is 1.

Also check out the Least Common Multiple of 3845 and 3858