Q: Is 21,460,005 a Prime Number?
A: No, 21,460,005 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 21460005 can be evenly divided by 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 22,709 68,127 113,545 158,963 204,381 340,635 476,889 613,143 794,815 1,021,905 1,430,667 2,384,445 3,065,715 4,292,001 7,153,335 and 21,460,005, with no remainder.
Since 21,460,005 cannot be divided by just 1 and 21,460,005, it is not a prime number.
| Number | 21,460,003 | 21,460,004 | 21,460,006 | 21,460,007 |
| Prime? | yes | no | no | yes |