Q: Is 1,398,210 a Composite Number?

Why is 1,398,210 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 1,398,210 can be evenly divided by 1 2 3 5 6 10 11 15 19 22 30 33 38 55 57 66 95 110 114 165 190 209 223 285 330 418 446 570 627 669 1,045 1,115 1,254 1,338 2,090 2,230 2,453 3,135 3,345 4,237 4,906 6,270 6,690 7,359 8,474 12,265 12,711 14,718 21,185 24,530 25,422 36,795 42,370 46,607 63,555 73,590 93,214 127,110 139,821 233,035 279,642 466,070 699,105 and 1,398,210, with no remainder.

Since 1,398,210 cannot be divided by just 1 and 1,398,210, 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).