Q: Is 402,987 a Prime Number?
A: No, 402,987 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 402987 can be evenly divided by 1 3 13 39 10,333 30,999 134,329 and 402,987, with no remainder.
Since 402,987 cannot be divided by just 1 and 402,987, it is not a prime number.