What is the Greatest Common Factor of 66390 and 66410?

Greatest common factor (GCF) of 66390 and 66410 is 10.

GCF(66390,66410) = 10

We will now calculate the prime factors of 66390 and 66410, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66390 and 66410.

How to find the GCF of 66390 and 66410?

We will first find the prime factorization of 66390 and 66410. After we will calculate the factors of 66390 and 66410 and find the biggest common factor number .

Step-1: Prime Factorization of 66390

Prime factors of 66390 are 2, 3, 5, 2213. Prime factorization of 66390 in exponential form is:

66390 = 2¹ × 3¹ × 5¹ × 2213¹

Step-2: Prime Factorization of 66410

Prime factors of 66410 are 2, 5, 29, 229. Prime factorization of 66410 in exponential form is:

66410 = 2¹ × 5¹ × 29¹ × 229¹

Step-3: Factors of 66390

List of positive integer factors of 66390 that divides 66390 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2213, 4426, 6639, 11065, 13278, 22130, 33195

Step-4: Factors of 66410

List of positive integer factors of 66410 that divides 66390 without a remainder.

1, 2, 5, 10, 29, 58, 145, 229, 290, 458, 1145, 2290, 6641, 13282, 33205

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66390 and 66410. The biggest common factor number is the GCF number.
So the greatest common factor 66390 and 66410 is 10.

Also check out the Least Common Multiple of 66390 and 66410