Q: Is 1,728,870 a Composite Number?

Why is 1,728,870 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 1,728,870 can be evenly divided by 1 2 3 5 6 10 11 13 15 22 26 30 31 33 39 55 62 65 66 78 93 110 130 143 155 165 169 186 195 286 310 330 338 341 390 403 429 465 507 682 715 806 845 858 930 1,014 1,023 1,209 1,430 1,690 1,705 1,859 2,015 2,046 2,145 2,418 2,535 3,410 3,718 4,030 4,290 4,433 5,070 5,115 5,239 5,577 6,045 8,866 9,295 10,230 10,478 11,154 12,090 13,299 15,717 18,590 22,165 26,195 26,598 27,885 31,434 44,330 52,390 55,770 57,629 66,495 78,585 115,258 132,990 157,170 172,887 288,145 345,774 576,290 864,435 and 1,728,870, with no remainder.

Since 1,728,870 cannot be divided by just 1 and 1,728,870, 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).