Q: Is 21,243,137 a Composite Number?
A: No, 21,243,137 is not a composite number; it is a prime number.
The number 21,243,137 can be evenly divided by 1 and 21,243,137, with no remainder.
Since 21,243,137 can be divided by just 1 and 21,243,137, it is not a composite number.
Number | 21,243,135 | 21,243,136 | 21,243,138 | 21,243,139 |
Composite? | yes | yes | yes | no |