Q: Is 142,149 a Prime Number?
A: No, 142,149 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 142149 can be evenly divided by 1 3 7 21 49 147 967 2,901 6,769 20,307 47,383 and 142,149, with no remainder.
Since 142,149 cannot be divided by just 1 and 142,149, it is not a prime number.