What is the Greatest Common Factor of 18504 and 18520?

Greatest common factor (GCF) of 18504 and 18520 is 8.

GCF(18504,18520) = 8

We will now calculate the prime factors of 18504 and 18520, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18504 and 18520.

How to find the GCF of 18504 and 18520?

We will first find the prime factorization of 18504 and 18520. After we will calculate the factors of 18504 and 18520 and find the biggest common factor number .

Step-1: Prime Factorization of 18504

Prime factors of 18504 are 2, 3, 257. Prime factorization of 18504 in exponential form is:

18504 = 2³ × 3² × 257¹

Step-2: Prime Factorization of 18520

Prime factors of 18520 are 2, 5, 463. Prime factorization of 18520 in exponential form is:

18520 = 2³ × 5¹ × 463¹

Step-3: Factors of 18504

List of positive integer factors of 18504 that divides 18504 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4626, 6168, 9252

Step-4: Factors of 18520

List of positive integer factors of 18520 that divides 18504 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18504 and 18520. The biggest common factor number is the GCF number.
So the greatest common factor 18504 and 18520 is 8.

Also check out the Least Common Multiple of 18504 and 18520