What is the Greatest Common Factor of 2790 and 2809?

Greatest common factor (GCF) of 2790 and 2809 is 1.

GCF(2790,2809) = 1

We will now calculate the prime factors of 2790 and 2809, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2790 and 2809.

How to find the GCF of 2790 and 2809?

We will first find the prime factorization of 2790 and 2809. After we will calculate the factors of 2790 and 2809 and find the biggest common factor number .

Step-1: Prime Factorization of 2790

Prime factors of 2790 are 2, 3, 5, 31. Prime factorization of 2790 in exponential form is:

2790 = 2¹ × 3² × 5¹ × 31¹

Step-2: Prime Factorization of 2809

Prime factors of 2809 are 53. Prime factorization of 2809 in exponential form is:

2809 = 53²

Step-3: Factors of 2790

List of positive integer factors of 2790 that divides 2790 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395

Step-4: Factors of 2809

List of positive integer factors of 2809 that divides 2790 without a remainder.

1, 53

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2790 and 2809. The biggest common factor number is the GCF number.
So the greatest common factor 2790 and 2809 is 1.

Also check out the Least Common Multiple of 2790 and 2809