Q: Is 42,421,005 a Prime Number?
A: No, 42,421,005 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 42421005 can be evenly divided by 1 3 5 9 11 15 33 43 45 55 99 129 165 215 387 473 495 645 1,419 1,935 1,993 2,365 4,257 5,979 7,095 9,965 17,937 21,285 21,923 29,895 65,769 85,699 89,685 109,615 197,307 257,097 328,845 428,495 771,291 942,689 986,535 1,285,485 2,828,067 3,856,455 4,713,445 8,484,201 14,140,335 and 42,421,005, with no remainder.
Since 42,421,005 cannot be divided by just 1 and 42,421,005, it is not a prime number.
| Number | 42,421,003 | 42,421,004 | 42,421,006 | 42,421,007 |
| Prime? | yes | no | no | no |