Q: Is 142,839 a Prime Number?
A: No, 142,839 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 142839 can be evenly divided by 1 3 9 59 177 269 531 807 2,421 15,871 47,613 and 142,839, with no remainder.
Since 142,839 cannot be divided by just 1 and 142,839, it is not a prime number.