What is the Greatest Common Factor of 18470 and 18480?

Greatest common factor (GCF) of 18470 and 18480 is 10.

GCF(18470,18480) = 10

We will now calculate the prime factors of 18470 and 18480, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18470 and 18480.

How to find the GCF of 18470 and 18480?

We will first find the prime factorization of 18470 and 18480. After we will calculate the factors of 18470 and 18480 and find the biggest common factor number .

Step-1: Prime Factorization of 18470

Prime factors of 18470 are 2, 5, 1847. Prime factorization of 18470 in exponential form is:

18470 = 2¹ × 5¹ × 1847¹

Step-2: Prime Factorization of 18480

Prime factors of 18480 are 2, 3, 5, 7, 11. Prime factorization of 18480 in exponential form is:

18480 = 2⁴ × 3¹ × 5¹ × 7¹ × 11¹

Step-3: Factors of 18470

List of positive integer factors of 18470 that divides 18470 without a remainder.

1, 2, 5, 10, 1847, 3694, 9235

Step-4: Factors of 18480

List of positive integer factors of 18480 that divides 18470 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1848, 2310, 2640, 3080, 3696, 4620, 6160, 9240

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18470 and 18480. The biggest common factor number is the GCF number.
So the greatest common factor 18470 and 18480 is 10.

Also check out the Least Common Multiple of 18470 and 18480