Q: Is 143,458 a Prime Number?
A: No, 143,458 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 143458 can be evenly divided by 1 2 7 14 10,247 20,494 71,729 and 143,458, with no remainder.
Since 143,458 cannot be divided by just 1 and 143,458, it is not a prime number.