Q: Is 142,638 a Prime Number?
A: No, 142,638 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 142638 can be evenly divided by 1 2 3 6 23,773 47,546 71,319 and 142,638, with no remainder.
Since 142,638 cannot be divided by just 1 and 142,638, it is not a prime number.