What is the Greatest Common Factor of 7821 and 7841?

Greatest common factor (GCF) of 7821 and 7841 is 1.

GCF(7821,7841) = 1

We will now calculate the prime factors of 7821 and 7841, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7821 and 7841.

How to find the GCF of 7821 and 7841?

We will first find the prime factorization of 7821 and 7841. After we will calculate the factors of 7821 and 7841 and find the biggest common factor number .

Step-1: Prime Factorization of 7821

Prime factors of 7821 are 3, 11, 79. Prime factorization of 7821 in exponential form is:

7821 = 3² × 11¹ × 79¹

Step-2: Prime Factorization of 7841

Prime factors of 7841 are 7841. Prime factorization of 7841 in exponential form is:

7841 = 7841¹

Step-3: Factors of 7821

List of positive integer factors of 7821 that divides 7821 without a remainder.

1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607

Step-4: Factors of 7841

List of positive integer factors of 7841 that divides 7821 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7821 and 7841. The biggest common factor number is the GCF number.
So the greatest common factor 7821 and 7841 is 1.

Also check out the Least Common Multiple of 7821 and 7841