What is the Greatest Common Factor of 2817 and 2821?

Greatest common factor (GCF) of 2817 and 2821 is 1.

GCF(2817,2821) = 1

We will now calculate the prime factors of 2817 and 2821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2817 and 2821.

How to find the GCF of 2817 and 2821?

We will first find the prime factorization of 2817 and 2821. After we will calculate the factors of 2817 and 2821 and find the biggest common factor number .

Step-1: Prime Factorization of 2817

Prime factors of 2817 are 3, 313. Prime factorization of 2817 in exponential form is:

2817 = 3² × 313¹

Step-2: Prime Factorization of 2821

Prime factors of 2821 are 7, 13, 31. Prime factorization of 2821 in exponential form is:

2821 = 7¹ × 13¹ × 31¹

Step-3: Factors of 2817

List of positive integer factors of 2817 that divides 2817 without a remainder.

1, 3, 9, 313, 939

Step-4: Factors of 2821

List of positive integer factors of 2821 that divides 2817 without a remainder.

1, 7, 13, 31, 91, 217, 403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2817 and 2821. The biggest common factor number is the GCF number.
So the greatest common factor 2817 and 2821 is 1.

Also check out the Least Common Multiple of 2817 and 2821