What is the Greatest Common Factor of 66813 and 66822?

Greatest common factor (GCF) of 66813 and 66822 is 3.

GCF(66813,66822) = 3

We will now calculate the prime factors of 66813 and 66822, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66813 and 66822.

How to find the GCF of 66813 and 66822?

We will first find the prime factorization of 66813 and 66822. After we will calculate the factors of 66813 and 66822 and find the biggest common factor number .

Step-1: Prime Factorization of 66813

Prime factors of 66813 are 3, 22271. Prime factorization of 66813 in exponential form is:

66813 = 3¹ × 22271¹

Step-2: Prime Factorization of 66822

Prime factors of 66822 are 2, 3, 7, 37, 43. Prime factorization of 66822 in exponential form is:

66822 = 2¹ × 3¹ × 7¹ × 37¹ × 43¹

Step-3: Factors of 66813

List of positive integer factors of 66813 that divides 66813 without a remainder.

1, 3, 22271

Step-4: Factors of 66822

List of positive integer factors of 66822 that divides 66813 without a remainder.

1, 2, 3, 6, 7, 14, 21, 37, 42, 43, 74, 86, 111, 129, 222, 258, 259, 301, 518, 602, 777, 903, 1554, 1591, 1806, 3182, 4773, 9546, 11137, 22274, 33411

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66813 and 66822. The biggest common factor number is the GCF number.
So the greatest common factor 66813 and 66822 is 3.

Also check out the Least Common Multiple of 66813 and 66822