Q: Is 142,398 a Prime Number?
A: No, 142,398 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 142398 can be evenly divided by 1 2 3 6 9 18 27 54 81 162 243 293 486 586 879 1,758 2,637 5,274 7,911 15,822 23,733 47,466 71,199 and 142,398, with no remainder.
Since 142,398 cannot be divided by just 1 and 142,398, it is not a prime number.