Q: Is 402,142 a Prime Number?
A: No, 402,142 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 402142 can be evenly divided by 1 2 13 26 15,467 30,934 201,071 and 402,142, with no remainder.
Since 402,142 cannot be divided by just 1 and 402,142, it is not a prime number.