What is the Greatest Common Factor of 11780 and 11790?

Greatest common factor (GCF) of 11780 and 11790 is 10.

GCF(11780,11790) = 10

We will now calculate the prime factors of 11780 and 11790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11780 and 11790.

How to find the GCF of 11780 and 11790?

We will first find the prime factorization of 11780 and 11790. After we will calculate the factors of 11780 and 11790 and find the biggest common factor number .

Step-1: Prime Factorization of 11780

Prime factors of 11780 are 2, 5, 19, 31. Prime factorization of 11780 in exponential form is:

11780 = 2² × 5¹ × 19¹ × 31¹

Step-2: Prime Factorization of 11790

Prime factors of 11790 are 2, 3, 5, 131. Prime factorization of 11790 in exponential form is:

11790 = 2¹ × 3² × 5¹ × 131¹

Step-3: Factors of 11780

List of positive integer factors of 11780 that divides 11780 without a remainder.

1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890

Step-4: Factors of 11790

List of positive integer factors of 11790 that divides 11780 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11780 and 11790. The biggest common factor number is the GCF number.
So the greatest common factor 11780 and 11790 is 10.

Also check out the Least Common Multiple of 11780 and 11790