What is the Greatest Common Factor of 66470 and 66489?

Greatest common factor (GCF) of 66470 and 66489 is 1.

GCF(66470,66489) = 1

We will now calculate the prime factors of 66470 and 66489, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66470 and 66489.

How to find the GCF of 66470 and 66489?

We will first find the prime factorization of 66470 and 66489. After we will calculate the factors of 66470 and 66489 and find the biggest common factor number .

Step-1: Prime Factorization of 66470

Prime factors of 66470 are 2, 5, 17, 23. Prime factorization of 66470 in exponential form is:

66470 = 2¹ × 5¹ × 17² × 23¹

Step-2: Prime Factorization of 66489

Prime factors of 66489 are 3, 37, 599. Prime factorization of 66489 in exponential form is:

66489 = 3¹ × 37¹ × 599¹

Step-3: Factors of 66470

List of positive integer factors of 66470 that divides 66470 without a remainder.

1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 782, 1445, 1955, 2890, 3910, 6647, 13294, 33235

Step-4: Factors of 66489

List of positive integer factors of 66489 that divides 66470 without a remainder.

1, 3, 37, 111, 599, 1797, 22163

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66470 and 66489. The biggest common factor number is the GCF number.
So the greatest common factor 66470 and 66489 is 1.

Also check out the Least Common Multiple of 66470 and 66489