Q: Is 305,423 a Prime Number?
A: Yes, 305,423 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 305423 can be evenly divided by 1 and 305,423, with no remainder.
Since 305,423 can be divided by just 1 and 305,423, it is a prime number.