Q: Is 342,561 a Prime Number?
A: No, 342,561 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 342561 can be evenly divided by 1 3 89 267 1,283 3,849 114,187 and 342,561, with no remainder.
Since 342,561 cannot be divided by just 1 and 342,561, it is not a prime number.