Q: Is 402,842 a Prime Number?
A: No, 402,842 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 402842 can be evenly divided by 1 2 11 22 18,311 36,622 201,421 and 402,842, with no remainder.
Since 402,842 cannot be divided by just 1 and 402,842, it is not a prime number.