Q: Is 259,987 a Prime Number?
A: No, 259,987 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 259987 can be evenly divided by 1 7 13 91 2,857 19,999 37,141 and 259,987, with no remainder.
Since 259,987 cannot be divided by just 1 and 259,987, it is not a prime number.