What is the Greatest Common Factor of 7848 and 7857?

Greatest common factor (GCF) of 7848 and 7857 is 9.

GCF(7848,7857) = 9

We will now calculate the prime factors of 7848 and 7857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7848 and 7857.

How to find the GCF of 7848 and 7857?

We will first find the prime factorization of 7848 and 7857. After we will calculate the factors of 7848 and 7857 and find the biggest common factor number .

Step-1: Prime Factorization of 7848

Prime factors of 7848 are 2, 3, 109. Prime factorization of 7848 in exponential form is:

7848 = 2³ × 3² × 109¹

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 7848

List of positive integer factors of 7848 that divides 7848 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 3924

Step-4: Factors of 7857

List of positive integer factors of 7857 that divides 7848 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 7848 and 7857. The biggest common factor number is the GCF number.
So the greatest common factor 7848 and 7857 is 9.

Also check out the Least Common Multiple of 7848 and 7857