Q: Is 487,221 a Prime Number?
A: No, 487,221 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 487221 can be evenly divided by 1 3 7 21 23,201 69,603 162,407 and 487,221, with no remainder.
Since 487,221 cannot be divided by just 1 and 487,221, it is not a prime number.