Q: Is 217,987 a Prime Number?
A: No, 217,987 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 217987 can be evenly divided by 1 7 11 19 77 133 149 209 1,043 1,463 1,639 2,831 11,473 19,817 31,141 and 217,987, with no remainder.
Since 217,987 cannot be divided by just 1 and 217,987, it is not a prime number.