Q: Is 2,221,110 a Composite Number?

Why is 2,221,110 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 2,221,110 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 29 30 37 45 46 58 69 74 87 90 111 115 138 145 174 185 207 222 230 261 290 333 345 370 414 435 522 555 666 667 690 851 870 1,035 1,073 1,110 1,305 1,334 1,665 1,702 2,001 2,070 2,146 2,553 2,610 3,219 3,330 3,335 4,002 4,255 5,106 5,365 6,003 6,438 6,670 7,659 8,510 9,657 10,005 10,730 12,006 12,765 15,318 16,095 19,314 20,010 24,679 25,530 30,015 32,190 38,295 48,285 49,358 60,030 74,037 76,590 96,570 123,395 148,074 222,111 246,790 370,185 444,222 740,370 1,110,555 and 2,221,110, with no remainder.

Since 2,221,110 cannot be divided by just 1 and 2,221,110, 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).