What is the Greatest Common Factor of 7843 and 7857?

Greatest common factor (GCF) of 7843 and 7857 is 1.

GCF(7843,7857) = 1

We will now calculate the prime factors of 7843 and 7857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7843 and 7857.

How to find the GCF of 7843 and 7857?

We will first find the prime factorization of 7843 and 7857. After we will calculate the factors of 7843 and 7857 and find the biggest common factor number .

Step-1: Prime Factorization of 7843

Prime factors of 7843 are 11, 23, 31. Prime factorization of 7843 in exponential form is:

7843 = 11¹ × 23¹ × 31¹

Step-2: Prime Factorization of 7857

Prime factors of 7857 are 3, 97. Prime factorization of 7857 in exponential form is:

7857 = 3⁴ × 97¹

Step-3: Factors of 7843

List of positive integer factors of 7843 that divides 7843 without a remainder.

1, 11, 23, 31, 253, 341, 713

Step-4: Factors of 7857

List of positive integer factors of 7857 that divides 7843 without a remainder.

1, 3, 9, 27, 81, 97, 291, 873, 2619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7843 and 7857. The biggest common factor number is the GCF number.
So the greatest common factor 7843 and 7857 is 1.

Also check out the Least Common Multiple of 7843 and 7857