Q: Is 345,788 a Prime Number?
A: No, 345,788 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 345788 can be evenly divided by 1 2 4 137 274 548 631 1,262 2,524 86,447 172,894 and 345,788, with no remainder.
Since 345,788 cannot be divided by just 1 and 345,788, it is not a prime number.