Q: Is 497,991 a Prime Number?
A: No, 497,991 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 497991 can be evenly divided by 1 3 13 39 113 339 1,469 4,407 12,769 38,307 165,997 and 497,991, with no remainder.
Since 497,991 cannot be divided by just 1 and 497,991, it is not a prime number.