Q: Is 21,121,002 a Prime Number?
A: No, 21,121,002 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 21121002 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 167,627 335,254 502,881 1,005,762 1,173,389 1,508,643 2,346,778 3,017,286 3,520,167 7,040,334 10,560,501 and 21,121,002, with no remainder.
Since 21,121,002 cannot be divided by just 1 and 21,121,002, it is not a prime number.
| Number | 21,121,000 | 21,121,001 | 21,121,003 | 21,121,004 |
| Prime? | no | no | yes | no |