Q: Is 1,347,991 a Prime Number?
A: No, 1,347,991 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 1347991 can be evenly divided by 1 367 3,673 and 1,347,991, with no remainder.
Since 1,347,991 cannot be divided by just 1 and 1,347,991, it is not a prime number.