What is the Greatest Common Factor of 11660 and 11680?

Greatest common factor (GCF) of 11660 and 11680 is 20.

GCF(11660,11680) = 20

We will now calculate the prime factors of 11660 and 11680, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11660 and 11680.

How to find the GCF of 11660 and 11680?

We will first find the prime factorization of 11660 and 11680. After we will calculate the factors of 11660 and 11680 and find the biggest common factor number .

Step-1: Prime Factorization of 11660

Prime factors of 11660 are 2, 5, 11, 53. Prime factorization of 11660 in exponential form is:

11660 = 2² × 5¹ × 11¹ × 53¹

Step-2: Prime Factorization of 11680

Prime factors of 11680 are 2, 5, 73. Prime factorization of 11680 in exponential form is:

11680 = 2⁵ × 5¹ × 73¹

Step-3: Factors of 11660

List of positive integer factors of 11660 that divides 11660 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830

Step-4: Factors of 11680

List of positive integer factors of 11680 that divides 11660 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11660 and 11680. The biggest common factor number is the GCF number.
So the greatest common factor 11660 and 11680 is 20.

Also check out the Least Common Multiple of 11660 and 11680