What is the Greatest Common Factor of 66660 and 66668?

Greatest common factor (GCF) of 66660 and 66668 is 4.

GCF(66660,66668) = 4

We will now calculate the prime factors of 66660 and 66668, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66660 and 66668.

How to find the GCF of 66660 and 66668?

We will first find the prime factorization of 66660 and 66668. After we will calculate the factors of 66660 and 66668 and find the biggest common factor number .

Step-1: Prime Factorization of 66660

Prime factors of 66660 are 2, 3, 5, 11, 101. Prime factorization of 66660 in exponential form is:

66660 = 2² × 3¹ × 5¹ × 11¹ × 101¹

Step-2: Prime Factorization of 66668

Prime factors of 66668 are 2, 7, 2381. Prime factorization of 66668 in exponential form is:

66668 = 2² × 7¹ × 2381¹

Step-3: Factors of 66660

List of positive integer factors of 66660 that divides 66660 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 101, 110, 132, 165, 202, 220, 303, 330, 404, 505, 606, 660, 1010, 1111, 1212, 1515, 2020, 2222, 3030, 3333, 4444, 5555, 6060, 6666, 11110, 13332, 16665, 22220, 33330

Step-4: Factors of 66668

List of positive integer factors of 66668 that divides 66660 without a remainder.

1, 2, 4, 7, 14, 28, 2381, 4762, 9524, 16667, 33334

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66660 and 66668. The biggest common factor number is the GCF number.
So the greatest common factor 66660 and 66668 is 4.

Also check out the Least Common Multiple of 66660 and 66668