Q: Is 142,558 a Prime Number?
A: No, 142,558 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 142558 can be evenly divided by 1 2 13 26 5,483 10,966 71,279 and 142,558, with no remainder.
Since 142,558 cannot be divided by just 1 and 142,558, it is not a prime number.