Q: Is 17,890,470 a Composite Number?

Why is 17,890,470 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 17,890,470 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 585 702 810 1,053 1,170 1,699 1,755 2,106 3,398 3,510 5,097 5,265 8,495 10,194 10,530 15,291 16,990 22,087 25,485 30,582 44,174 45,873 50,970 66,261 76,455 91,746 110,435 132,522 137,619 152,910 198,783 220,870 229,365 275,238 331,305 397,566 458,730 596,349 662,610 688,095 993,915 1,192,698 1,376,190 1,789,047 1,987,830 2,981,745 3,578,094 5,963,490 8,945,235 and 17,890,470, with no remainder.

Since 17,890,470 cannot be divided by just 1 and 17,890,470, 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).