Q: Is 345,904 a Prime Number?
A: No, 345,904 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 345904 can be evenly divided by 1 2 4 8 13 16 26 52 104 208 1,663 3,326 6,652 13,304 21,619 26,608 43,238 86,476 172,952 and 345,904, with no remainder.
Since 345,904 cannot be divided by just 1 and 345,904, it is not a prime number.