What is the Greatest Common Factor of 18240 and 18247?

Greatest common factor (GCF) of 18240 and 18247 is 1.

GCF(18240,18247) = 1

We will now calculate the prime factors of 18240 and 18247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18240 and 18247.

How to find the GCF of 18240 and 18247?

We will first find the prime factorization of 18240 and 18247. After we will calculate the factors of 18240 and 18247 and find the biggest common factor number .

Step-1: Prime Factorization of 18240

Prime factors of 18240 are 2, 3, 5, 19. Prime factorization of 18240 in exponential form is:

18240 = 2⁶ × 3¹ × 5¹ × 19¹

Step-2: Prime Factorization of 18247

Prime factors of 18247 are 71, 257. Prime factorization of 18247 in exponential form is:

18247 = 71¹ × 257¹

Step-3: Factors of 18240

List of positive integer factors of 18240 that divides 18240 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120

Step-4: Factors of 18247

List of positive integer factors of 18247 that divides 18240 without a remainder.

1, 71, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18240 and 18247. The biggest common factor number is the GCF number.
So the greatest common factor 18240 and 18247 is 1.

Also check out the Least Common Multiple of 18240 and 18247