Q: Is 211,531,110 a Composite Number?

Why is 211,531,110 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 211,531,110 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 223 446 669 1,115 1,338 1,561 2,230 3,122 3,345 4,517 4,683 6,690 7,805 9,034 9,366 13,551 15,610 22,585 23,415 27,102 31,619 45,170 46,830 63,238 67,755 94,857 135,510 158,095 189,714 316,190 474,285 948,570 1,007,291 2,014,582 3,021,873 5,036,455 6,043,746 7,051,037 10,072,910 14,102,074 15,109,365 21,153,111 30,218,730 35,255,185 42,306,222 70,510,370 105,765,555 and 211,531,110, with no remainder.

Since 211,531,110 cannot be divided by just 1 and 211,531,110, 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).