Q: Is 987,705 a Prime Number?
A: No, 987,705 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 987705 can be evenly divided by 1 3 5 9 15 45 47 141 235 423 467 705 1,401 2,115 2,335 4,203 7,005 21,015 21,949 65,847 109,745 197,541 329,235 and 987,705, with no remainder.
Since 987,705 cannot be divided by just 1 and 987,705, it is not a prime number.