Q: Is 7,178,730 a Composite Number?

Why is 7,178,730 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 7,178,730 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 65 78 79 130 158 195 233 237 390 395 466 474 699 790 1,027 1,165 1,185 1,398 2,054 2,330 2,370 3,029 3,081 3,495 5,135 6,058 6,162 6,990 9,087 10,270 15,145 15,405 18,174 18,407 30,290 30,810 36,814 45,435 55,221 90,870 92,035 110,442 184,070 239,291 276,105 478,582 552,210 717,873 1,196,455 1,435,746 2,392,910 3,589,365 and 7,178,730, with no remainder.

Since 7,178,730 cannot be divided by just 1 and 7,178,730, 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).