What is the Greatest Common Factor of 60640 and 60660?

Greatest common factor (GCF) of 60640 and 60660 is 20.

GCF(60640,60660) = 20

We will now calculate the prime factors of 60640 and 60660, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 60640 and 60660.

How to find the GCF of 60640 and 60660?

We will first find the prime factorization of 60640 and 60660. After we will calculate the factors of 60640 and 60660 and find the biggest common factor number .

Step-1: Prime Factorization of 60640

Prime factors of 60640 are 2, 5, 379. Prime factorization of 60640 in exponential form is:

60640 = 2⁵ × 5¹ × 379¹

Step-2: Prime Factorization of 60660

Prime factors of 60660 are 2, 3, 5, 337. Prime factorization of 60660 in exponential form is:

60660 = 2² × 3² × 5¹ × 337¹

Step-3: Factors of 60640

List of positive integer factors of 60640 that divides 60640 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12128, 15160, 30320

Step-4: Factors of 60660

List of positive integer factors of 60660 that divides 60640 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 674, 1011, 1348, 1685, 2022, 3033, 3370, 4044, 5055, 6066, 6740, 10110, 12132, 15165, 20220, 30330

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 60640 and 60660. The biggest common factor number is the GCF number.
So the greatest common factor 60640 and 60660 is 20.

Also check out the Least Common Multiple of 60640 and 60660