What is the Greatest Common Factor of 65790 and 65806?

Greatest common factor (GCF) of 65790 and 65806 is 2.

GCF(65790,65806) = 2

We will now calculate the prime factors of 65790 and 65806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65790 and 65806.

How to find the GCF of 65790 and 65806?

We will first find the prime factorization of 65790 and 65806. After we will calculate the factors of 65790 and 65806 and find the biggest common factor number .

Step-1: Prime Factorization of 65790

Prime factors of 65790 are 2, 3, 5, 17, 43. Prime factorization of 65790 in exponential form is:

65790 = 2¹ × 3² × 5¹ × 17¹ × 43¹

Step-2: Prime Factorization of 65806

Prime factors of 65806 are 2, 13, 2531. Prime factorization of 65806 in exponential form is:

65806 = 2¹ × 13¹ × 2531¹

Step-3: Factors of 65790

List of positive integer factors of 65790 that divides 65790 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 43, 45, 51, 85, 86, 90, 102, 129, 153, 170, 215, 255, 258, 306, 387, 430, 510, 645, 731, 765, 774, 1290, 1462, 1530, 1935, 2193, 3655, 3870, 4386, 6579, 7310, 10965, 13158, 21930, 32895

Step-4: Factors of 65806

List of positive integer factors of 65806 that divides 65790 without a remainder.

1, 2, 13, 26, 2531, 5062, 32903

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65790 and 65806. The biggest common factor number is the GCF number.
So the greatest common factor 65790 and 65806 is 2.

Also check out the Least Common Multiple of 65790 and 65806