Q: Is 18,017,604 a Composite Number?

Why is 18,017,604 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 18,017,604 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 173 198 263 346 396 519 526 692 789 1,038 1,052 1,557 1,578 1,903 2,076 2,367 2,893 3,114 3,156 3,806 4,734 5,709 5,786 6,228 7,612 8,679 9,468 11,418 11,572 17,127 17,358 22,836 26,037 34,254 34,716 45,499 52,074 68,508 90,998 104,148 136,497 181,996 272,994 409,491 500,489 545,988 818,982 1,000,978 1,501,467 1,637,964 2,001,956 3,002,934 4,504,401 6,005,868 9,008,802 and 18,017,604, with no remainder.

Since 18,017,604 cannot be divided by just 1 and 18,017,604, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).