What is the Greatest Common Factor of 66370 and 66390?

Greatest common factor (GCF) of 66370 and 66390 is 10.

GCF(66370,66390) = 10

We will now calculate the prime factors of 66370 and 66390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66370 and 66390.

How to find the GCF of 66370 and 66390?

We will first find the prime factorization of 66370 and 66390. After we will calculate the factors of 66370 and 66390 and find the biggest common factor number .

Step-1: Prime Factorization of 66370

Prime factors of 66370 are 2, 5, 6637. Prime factorization of 66370 in exponential form is:

66370 = 2¹ × 5¹ × 6637¹

Step-2: 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-3: Factors of 66370

List of positive integer factors of 66370 that divides 66370 without a remainder.

1, 2, 5, 10, 6637, 13274, 33185

Step-4: Factors of 66390

List of positive integer factors of 66390 that divides 66370 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66370 and 66390. The biggest common factor number is the GCF number.
So the greatest common factor 66370 and 66390 is 10.

Also check out the Least Common Multiple of 66370 and 66390