Q: Is 999,987 a Prime Number?
A: No, 999,987 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 999987 can be evenly divided by 1 3 257 771 1,297 3,891 333,329 and 999,987, with no remainder.
Since 999,987 cannot be divided by just 1 and 999,987, it is not a prime number.