What is the Greatest Common Factor of 66591 and 66606?

Greatest common factor (GCF) of 66591 and 66606 is 3.

GCF(66591,66606) = 3

We will now calculate the prime factors of 66591 and 66606, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66591 and 66606.

How to find the GCF of 66591 and 66606?

We will first find the prime factorization of 66591 and 66606. After we will calculate the factors of 66591 and 66606 and find the biggest common factor number .

Step-1: Prime Factorization of 66591

Prime factors of 66591 are 3, 7, 151. Prime factorization of 66591 in exponential form is:

66591 = 3² × 7² × 151¹

Step-2: Prime Factorization of 66606

Prime factors of 66606 are 2, 3, 17, 653. Prime factorization of 66606 in exponential form is:

66606 = 2¹ × 3¹ × 17¹ × 653¹

Step-3: Factors of 66591

List of positive integer factors of 66591 that divides 66591 without a remainder.

1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 1057, 1359, 3171, 7399, 9513, 22197

Step-4: Factors of 66606

List of positive integer factors of 66606 that divides 66591 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 653, 1306, 1959, 3918, 11101, 22202, 33303

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66591 and 66606. The biggest common factor number is the GCF number.
So the greatest common factor 66591 and 66606 is 3.

Also check out the Least Common Multiple of 66591 and 66606