Q: Is 845,408 a Prime Number?
A: No, 845,408 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 845408 can be evenly divided by 1 2 4 8 16 29 32 58 116 232 464 911 928 1,822 3,644 7,288 14,576 26,419 29,152 52,838 105,676 211,352 422,704 and 845,408, with no remainder.
Since 845,408 cannot be divided by just 1 and 845,408, it is not a prime number.