Q: Is 21,401,139 a Prime Number?
A: No, 21,401,139 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 21401139 can be evenly divided by 1 3 41 123 173,993 521,979 7,133,713 and 21,401,139, with no remainder.
Since 21,401,139 cannot be divided by just 1 and 21,401,139, it is not a prime number.
| Number | 21,401,137 | 21,401,138 | 21,401,140 | 21,401,141 |
| Prime? | yes | no | no | no |