Q: Is 142,287 a Prime Number?
A: No, 142,287 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 142287 can be evenly divided by 1 3 43 129 1,103 3,309 47,429 and 142,287, with no remainder.
Since 142,287 cannot be divided by just 1 and 142,287, it is not a prime number.