Q: Is 142,431 a Prime Number?
A: No, 142,431 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 142431 can be evenly divided by 1 3 197 241 591 723 47,477 and 142,431, with no remainder.
Since 142,431 cannot be divided by just 1 and 142,431, it is not a prime number.