What is the Greatest Common Factor of 3891 and 3910?

Greatest common factor (GCF) of 3891 and 3910 is 1.

GCF(3891,3910) = 1

We will now calculate the prime factors of 3891 and 3910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3891 and 3910.

How to find the GCF of 3891 and 3910?

We will first find the prime factorization of 3891 and 3910. After we will calculate the factors of 3891 and 3910 and find the biggest common factor number .

Step-1: Prime Factorization of 3891

Prime factors of 3891 are 3, 1297. Prime factorization of 3891 in exponential form is:

3891 = 3¹ × 1297¹

Step-2: Prime Factorization of 3910

Prime factors of 3910 are 2, 5, 17, 23. Prime factorization of 3910 in exponential form is:

3910 = 2¹ × 5¹ × 17¹ × 23¹

Step-3: Factors of 3891

List of positive integer factors of 3891 that divides 3891 without a remainder.

1, 3, 1297

Step-4: Factors of 3910

List of positive integer factors of 3910 that divides 3891 without a remainder.

1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3891 and 3910. The biggest common factor number is the GCF number.
So the greatest common factor 3891 and 3910 is 1.

Also check out the Least Common Multiple of 3891 and 3910