What is the Greatest Common Factor of 2790 and 2806?

Greatest common factor (GCF) of 2790 and 2806 is 2.

GCF(2790,2806) = 2

We will now calculate the prime factors of 2790 and 2806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2790 and 2806.

How to find the GCF of 2790 and 2806?

We will first find the prime factorization of 2790 and 2806. After we will calculate the factors of 2790 and 2806 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 2806

Prime factors of 2806 are 2, 23, 61. Prime factorization of 2806 in exponential form is:

2806 = 2¹ × 23¹ × 61¹

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 2806

List of positive integer factors of 2806 that divides 2790 without a remainder.

1, 2, 23, 46, 61, 122, 1403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2790 and 2806. The biggest common factor number is the GCF number.
So the greatest common factor 2790 and 2806 is 2.

Also check out the Least Common Multiple of 2790 and 2806