What is the Greatest Common Factor of 66645 and 66664?

Greatest common factor (GCF) of 66645 and 66664 is 1.

GCF(66645,66664) = 1

We will now calculate the prime factors of 66645 and 66664, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66645 and 66664.

How to find the GCF of 66645 and 66664?

We will first find the prime factorization of 66645 and 66664. After we will calculate the factors of 66645 and 66664 and find the biggest common factor number .

Step-1: Prime Factorization of 66645

Prime factors of 66645 are 3, 5, 1481. Prime factorization of 66645 in exponential form is:

66645 = 3² × 5¹ × 1481¹

Step-2: Prime Factorization of 66664

Prime factors of 66664 are 2, 13, 641. Prime factorization of 66664 in exponential form is:

66664 = 2³ × 13¹ × 641¹

Step-3: Factors of 66645

List of positive integer factors of 66645 that divides 66645 without a remainder.

1, 3, 5, 9, 15, 45, 1481, 4443, 7405, 13329, 22215

Step-4: Factors of 66664

List of positive integer factors of 66664 that divides 66645 without a remainder.

1, 2, 4, 8, 13, 26, 52, 104, 641, 1282, 2564, 5128, 8333, 16666, 33332

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66645 and 66664. The biggest common factor number is the GCF number.
So the greatest common factor 66645 and 66664 is 1.

Also check out the Least Common Multiple of 66645 and 66664