Q: Is 345,458 a Prime Number?
A: No, 345,458 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 345458 can be evenly divided by 1 2 19 38 9,091 18,182 172,729 and 345,458, with no remainder.
Since 345,458 cannot be divided by just 1 and 345,458, it is not a prime number.