Q: Is 142,388 a Prime Number?
A: No, 142,388 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 142388 can be evenly divided by 1 2 4 35,597 71,194 and 142,388, with no remainder.
Since 142,388 cannot be divided by just 1 and 142,388, it is not a prime number.