What is the Greatest Common Factor of 6660 and 6666?

Greatest common factor (GCF) of 6660 and 6666 is 6.

GCF(6660,6666) = 6

We will now calculate the prime factors of 6660 and 6666, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6660 and 6666.

How to find the GCF of 6660 and 6666?

We will first find the prime factorization of 6660 and 6666. After we will calculate the factors of 6660 and 6666 and find the biggest common factor number .

Step-1: Prime Factorization of 6660

Prime factors of 6660 are 2, 3, 5, 37. Prime factorization of 6660 in exponential form is:

6660 = 2² × 3² × 5¹ × 37¹

Step-2: Prime Factorization of 6666

Prime factors of 6666 are 2, 3, 11, 101. Prime factorization of 6666 in exponential form is:

6666 = 2¹ × 3¹ × 11¹ × 101¹

Step-3: Factors of 6660

List of positive integer factors of 6660 that divides 6660 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330

Step-4: Factors of 6666

List of positive integer factors of 6666 that divides 6660 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 101, 202, 303, 606, 1111, 2222, 3333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6660 and 6666. The biggest common factor number is the GCF number.
So the greatest common factor 6660 and 6666 is 6.

Also check out the Least Common Multiple of 6660 and 6666