Q: Is 1,218,204 a Composite Number?

Why is 1,218,204 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 1,218,204 can be evenly divided by 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 137 156 171 228 234 247 274 342 411 468 494 548 684 741 822 988 1,233 1,482 1,644 1,781 2,223 2,466 2,603 2,964 3,562 4,446 4,932 5,206 5,343 7,124 7,809 8,892 10,412 10,686 15,618 16,029 21,372 23,427 31,236 32,058 33,839 46,854 64,116 67,678 93,708 101,517 135,356 203,034 304,551 406,068 609,102 and 1,218,204, with no remainder.

Since 1,218,204 cannot be divided by just 1 and 1,218,204, 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).