Q: Is 345,424 a Prime Number?
A: No, 345,424 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 345424 can be evenly divided by 1 2 4 8 16 21,589 43,178 86,356 172,712 and 345,424, with no remainder.
Since 345,424 cannot be divided by just 1 and 345,424, it is not a prime number.