Q: Is 1,845,409 a Prime Number?
A: No, 1,845,409 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 1845409 can be evenly divided by 1 1,019 1,811 and 1,845,409, with no remainder.
Since 1,845,409 cannot be divided by just 1 and 1,845,409, it is not a prime number.