Q: Is 987,615 a Prime Number?
A: No, 987,615 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 987615 can be evenly divided by 1 3 5 9 15 17 45 51 85 153 255 765 1,291 3,873 6,455 11,619 19,365 21,947 58,095 65,841 109,735 197,523 329,205 and 987,615, with no remainder.
Since 987,615 cannot be divided by just 1 and 987,615, it is not a prime number.