Q: Is 142,408 a Prime Number?
A: No, 142,408 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 142408 can be evenly divided by 1 2 4 7 8 14 28 56 2,543 5,086 10,172 17,801 20,344 35,602 71,204 and 142,408, with no remainder.
Since 142,408 cannot be divided by just 1 and 142,408, it is not a prime number.