Q: Is 243,421,021 a Prime Number?
A: No, 243,421,021 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 243421021 can be evenly divided by 1 31 599 13,109 18,569 406,379 7,852,291 and 243,421,021, with no remainder.
Since 243,421,021 cannot be divided by just 1 and 243,421,021, it is not a prime number.
Number | 243,421,019 | 243,421,020 | 243,421,022 | 243,421,023 |
Prime? | no | no | no | no |