Q: Is 3,180,870 a Composite Number?

Why is 3,180,870 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 3,180,870 can be evenly divided by 1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 27 30 33 34 35 42 45 51 54 55 63 66 70 77 81 85 90 99 102 105 110 119 126 135 153 154 162 165 170 187 189 198 210 231 238 243 255 270 297 306 315 330 357 374 378 385 405 459 462 486 495 510 561 567 594 595 630 693 714 765 770 810 891 918 935 945 990 1,071 1,122 1,134 1,155 1,190 1,215 1,309 1,377 1,386 1,485 1,530 1,683 1,701 1,782 1,785 1,870 1,890 2,079 2,142 2,295 2,310 2,430 2,618 2,673 2,754 2,805 2,835 2,970 3,213 3,366 3,402 3,465 3,570 3,927 4,131 4,158 4,455 4,590 5,049 5,346 5,355 5,610 5,670 6,237 6,426 6,545 6,885 6,930 7,854 8,262 8,415 8,505 8,910 9,639 10,098 10,395 10,710 11,781 12,474 13,090 13,365 13,770 15,147 16,065 16,830 17,010 18,711 19,278 19,635 20,655 20,790 23,562 25,245 26,730 28,917 30,294 31,185 32,130 35,343 37,422 39,270 41,310 45,441 48,195 50,490 57,834 58,905 62,370 70,686 75,735 90,882 93,555 96,390 106,029 117,810 144,585 151,470 176,715 187,110 212,058 227,205 289,170 318,087 353,430 454,410 530,145 636,174 1,060,290 1,590,435 and 3,180,870, with no remainder.

Since 3,180,870 cannot be divided by just 1 and 3,180,870, 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).