Q: Is 791,991 a Prime Number?
A: No, 791,991 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 791991 can be evenly divided by 1 3 9 27 29,333 87,999 263,997 and 791,991, with no remainder.
Since 791,991 cannot be divided by just 1 and 791,991, it is not a prime number.