Q: Is 21,003,006 a Prime Number?
A: No, 21,003,006 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 21003006 can be evenly divided by 1 2 3 6 43 86 127 129 254 258 381 641 762 1,282 1,923 3,846 5,461 10,922 16,383 27,563 32,766 55,126 81,407 82,689 162,814 165,378 244,221 488,442 3,500,501 7,001,002 10,501,503 and 21,003,006, with no remainder.
Since 21,003,006 cannot be divided by just 1 and 21,003,006, it is not a prime number.
| Number | 21,003,004 | 21,003,005 | 21,003,007 | 21,003,008 |
| Prime? | no | no | no | no |