Q: Is 8,857,420 a Composite Number?

Why is 8,857,420 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 8,857,420 can be evenly divided by 1 2 4 5 10 11 13 19 20 22 26 38 44 52 55 65 76 95 110 130 143 163 190 209 220 247 260 286 326 380 418 494 572 652 715 815 836 988 1,045 1,235 1,430 1,630 1,793 2,090 2,119 2,470 2,717 2,860 3,097 3,260 3,586 4,180 4,238 4,940 5,434 6,194 7,172 8,476 8,965 10,595 10,868 12,388 13,585 15,485 17,930 21,190 23,309 27,170 30,970 34,067 35,860 40,261 42,380 46,618 54,340 61,940 68,134 80,522 93,236 116,545 136,268 161,044 170,335 201,305 233,090 340,670 402,610 442,871 466,180 681,340 805,220 885,742 1,771,484 2,214,355 4,428,710 and 8,857,420, with no remainder.

Since 8,857,420 cannot be divided by just 1 and 8,857,420, 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).