Q: Is 987,609 a Prime Number?
A: No, 987,609 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 987609 can be evenly divided by 1 3 7 21 131 359 393 917 1,077 2,513 2,751 7,539 47,029 141,087 329,203 and 987,609, with no remainder.
Since 987,609 cannot be divided by just 1 and 987,609, it is not a prime number.