What is the Greatest Common Factor of 66843 and 66858?

Greatest common factor (GCF) of 66843 and 66858 is 3.

GCF(66843,66858) = 3

We will now calculate the prime factors of 66843 and 66858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66843 and 66858.

How to find the GCF of 66843 and 66858?

We will first find the prime factorization of 66843 and 66858. After we will calculate the factors of 66843 and 66858 and find the biggest common factor number .

Step-1: Prime Factorization of 66843

Prime factors of 66843 are 3, 7, 1061. Prime factorization of 66843 in exponential form is:

66843 = 3² × 7¹ × 1061¹

Step-2: Prime Factorization of 66858

Prime factors of 66858 are 2, 3, 11, 1013. Prime factorization of 66858 in exponential form is:

66858 = 2¹ × 3¹ × 11¹ × 1013¹

Step-3: Factors of 66843

List of positive integer factors of 66843 that divides 66843 without a remainder.

1, 3, 7, 9, 21, 63, 1061, 3183, 7427, 9549, 22281

Step-4: Factors of 66858

List of positive integer factors of 66858 that divides 66843 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 1013, 2026, 3039, 6078, 11143, 22286, 33429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66843 and 66858. The biggest common factor number is the GCF number.
So the greatest common factor 66843 and 66858 is 3.

Also check out the Least Common Multiple of 66843 and 66858