Q: Is 998,557 a Prime Number?
A: No, 998,557 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 998557 can be evenly divided by 1 7 29 203 4,919 34,433 142,651 and 998,557, with no remainder.
Since 998,557 cannot be divided by just 1 and 998,557, it is not a prime number.