What is the Greatest Common Factor of 66210 and 66218?

Greatest common factor (GCF) of 66210 and 66218 is 2.

GCF(66210,66218) = 2

We will now calculate the prime factors of 66210 and 66218, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66210 and 66218.

How to find the GCF of 66210 and 66218?

We will first find the prime factorization of 66210 and 66218. After we will calculate the factors of 66210 and 66218 and find the biggest common factor number .

Step-1: Prime Factorization of 66210

Prime factors of 66210 are 2, 3, 5, 2207. Prime factorization of 66210 in exponential form is:

66210 = 2¹ × 3¹ × 5¹ × 2207¹

Step-2: Prime Factorization of 66218

Prime factors of 66218 are 2, 113, 293. Prime factorization of 66218 in exponential form is:

66218 = 2¹ × 113¹ × 293¹

Step-3: Factors of 66210

List of positive integer factors of 66210 that divides 66210 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2207, 4414, 6621, 11035, 13242, 22070, 33105

Step-4: Factors of 66218

List of positive integer factors of 66218 that divides 66210 without a remainder.

1, 2, 113, 226, 293, 586, 33109

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66210 and 66218. The biggest common factor number is the GCF number.
So the greatest common factor 66210 and 66218 is 2.

Also check out the Least Common Multiple of 66210 and 66218