Q: Is 987,221 a Prime Number?
A: No, 987,221 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 987221 can be evenly divided by 1 19 223 233 4,237 4,427 51,959 and 987,221, with no remainder.
Since 987,221 cannot be divided by just 1 and 987,221, it is not a prime number.