Q: Is 40,221,405 a Prime Number?
A: No, 40,221,405 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 40221405 can be evenly divided by 1 3 5 7 9 15 17 21 29 35 37 45 49 51 63 85 87 105 111 119 145 147 153 185 203 245 255 259 261 315 333 357 435 441 493 555 595 609 629 735 765 777 833 1,015 1,071 1,073 1,295 1,305 1,421 1,479 1,665 1,785 1,813 1,827 1,887 2,205 2,331 2,465 2,499 3,045 3,145 3,219 3,451 3,885 4,165 4,263 4,403 4,437 5,355 5,365 5,439 5,661 7,105 7,395 7,497 7,511 9,065 9,135 9,435 9,657 10,353 11,655 12,495 12,789 13,209 16,095 16,317 17,255 18,241 21,315 22,015 22,185 22,533 24,157 27,195 28,305 30,821 31,059 37,485 37,555 39,627 48,285 51,765 52,577 54,723 63,945 66,045 67,599 72,471 81,585 91,205 92,463 112,665 120,785 127,687 154,105 155,295 157,731 164,169 198,135 217,413 262,885 273,615 277,389 337,995 362,355 383,061 462,315 473,193 638,435 788,655 820,845 893,809 1,087,065 1,149,183 1,386,945 1,915,305 2,365,965 2,681,427 4,469,045 5,745,915 8,044,281 13,407,135 and 40,221,405, with no remainder.
Since 40,221,405 cannot be divided by just 1 and 40,221,405, it is not a prime number.
| Number | 40,221,403 | 40,221,404 | 40,221,406 | 40,221,407 |
| Prime? | yes | no | no | no |