What is the Greatest Common Factor of 7821 and 7834?

Greatest common factor (GCF) of 7821 and 7834 is 1.

GCF(7821,7834) = 1

We will now calculate the prime factors of 7821 and 7834, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7821 and 7834.

How to find the GCF of 7821 and 7834?

We will first find the prime factorization of 7821 and 7834. After we will calculate the factors of 7821 and 7834 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 7834

Prime factors of 7834 are 2, 3917. Prime factorization of 7834 in exponential form is:

7834 = 2¹ × 3917¹

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 7834

List of positive integer factors of 7834 that divides 7821 without a remainder.

1, 2, 3917

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7821 and 7834. The biggest common factor number is the GCF number.
So the greatest common factor 7821 and 7834 is 1.

Also check out the Least Common Multiple of 7821 and 7834