Q: Is 240,138,405 a Prime Number?
A: No, 240,138,405 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 240138405 can be evenly divided by 1 3 5 9 13 15 27 39 45 65 117 135 195 293 351 467 585 879 1,401 1,465 1,755 2,335 2,637 3,809 4,203 4,395 6,071 7,005 7,911 11,427 12,609 13,185 18,213 19,045 21,015 30,355 34,281 39,555 54,639 57,135 63,045 91,065 102,843 136,831 163,917 171,405 273,195 410,493 514,215 684,155 819,585 1,231,479 1,778,803 2,052,465 3,694,437 5,336,409 6,157,395 8,894,015 16,009,227 18,472,185 26,682,045 48,027,681 80,046,135 and 240,138,405, with no remainder.
Since 240,138,405 cannot be divided by just 1 and 240,138,405, it is not a prime number.
| Number | 240,138,403 | 240,138,404 | 240,138,406 | 240,138,407 |
| Prime? | yes | no | no | yes |