Q: Is 142,135 a Prime Number?
A: No, 142,135 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 142135 can be evenly divided by 1 5 7 31 35 131 155 217 655 917 1,085 4,061 4,585 20,305 28,427 and 142,135, with no remainder.
Since 142,135 cannot be divided by just 1 and 142,135, it is not a prime number.