Q: Is 21,111,113 a Prime Number?
A: Yes, 21,111,113 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 21111113 can be evenly divided by 1 and 21,111,113, with no remainder.
Since 21,111,113 can be divided by just 1 and 21,111,113, it is a prime number.
| Number | 21,111,111 | 21,111,112 | 21,111,114 | 21,111,115 |
| Prime? | no | no | no | no |