Q: Is 801,405 a Prime Number?
A: No, 801,405 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 801405 can be evenly divided by 1 3 5 9 11 15 33 45 55 99 165 495 1,619 4,857 8,095 14,571 17,809 24,285 53,427 72,855 89,045 160,281 267,135 and 801,405, with no remainder.
Since 801,405 cannot be divided by just 1 and 801,405, it is not a prime number.