Q: Is 142,456 a Prime Number?
A: No, 142,456 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 142456 can be evenly divided by 1 2 4 8 17,807 35,614 71,228 and 142,456, with no remainder.
Since 142,456 cannot be divided by just 1 and 142,456, it is not a prime number.