Q: Is 345,789 a Prime Number?
A: No, 345,789 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 345789 can be evenly divided by 1 3 9 27 81 243 1,423 4,269 12,807 38,421 115,263 and 345,789, with no remainder.
Since 345,789 cannot be divided by just 1 and 345,789, it is not a prime number.