Q: Is 55,721,442 a Prime Number?
A: No, 55,721,442 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 55721442 can be evenly divided by 1 2 3 6 7 14 21 42 1,326,701 2,653,402 3,980,103 7,960,206 9,286,907 18,573,814 27,860,721 and 55,721,442, with no remainder.
Since 55,721,442 cannot be divided by just 1 and 55,721,442, it is not a prime number.
| Number | 55,721,440 | 55,721,441 | 55,721,443 | 55,721,444 |
| Prime? | no | no | yes | no |