What is the Greatest Common Factor of 18780 and 18784?

Greatest common factor (GCF) of 18780 and 18784 is 4.

GCF(18780,18784) = 4

We will now calculate the prime factors of 18780 and 18784, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18780 and 18784.

How to find the GCF of 18780 and 18784?

We will first find the prime factorization of 18780 and 18784. After we will calculate the factors of 18780 and 18784 and find the biggest common factor number .

Step-1: Prime Factorization of 18780

Prime factors of 18780 are 2, 3, 5, 313. Prime factorization of 18780 in exponential form is:

18780 = 2² × 3¹ × 5¹ × 313¹

Step-2: Prime Factorization of 18784

Prime factors of 18784 are 2, 587. Prime factorization of 18784 in exponential form is:

18784 = 2⁵ × 587¹

Step-3: Factors of 18780

List of positive integer factors of 18780 that divides 18780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1878, 3130, 3756, 4695, 6260, 9390

Step-4: Factors of 18784

List of positive integer factors of 18784 that divides 18780 without a remainder.

1, 2, 4, 8, 16, 32, 587, 1174, 2348, 4696, 9392

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18780 and 18784. The biggest common factor number is the GCF number.
So the greatest common factor 18780 and 18784 is 4.

Also check out the Least Common Multiple of 18780 and 18784