What is the Greatest Common Factor of 66858 and 66868?

Greatest common factor (GCF) of 66858 and 66868 is 2.

GCF(66858,66868) = 2

We will now calculate the prime factors of 66858 and 66868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66858 and 66868.

How to find the GCF of 66858 and 66868?

We will first find the prime factorization of 66858 and 66868. After we will calculate the factors of 66858 and 66868 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 66868

Prime factors of 66868 are 2, 73, 229. Prime factorization of 66868 in exponential form is:

66868 = 2² × 73¹ × 229¹

Step-3: Factors of 66858

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

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

Step-4: Factors of 66868

List of positive integer factors of 66868 that divides 66858 without a remainder.

1, 2, 4, 73, 146, 229, 292, 458, 916, 16717, 33434

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66858 and 66868. The biggest common factor number is the GCF number.
So the greatest common factor 66858 and 66868 is 2.

Also check out the Least Common Multiple of 66858 and 66868