Q: Is 543,842 a Prime Number?
A: No, 543,842 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 543842 can be evenly divided by 1 2 13 26 169 338 1,609 3,218 20,917 41,834 271,921 and 543,842, with no remainder.
Since 543,842 cannot be divided by just 1 and 543,842, it is not a prime number.