Q: Is 495,405 a Prime Number?
A: No, 495,405 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 495405 can be evenly divided by 1 3 5 9 15 45 101 109 303 327 505 545 909 981 1,515 1,635 4,545 4,905 11,009 33,027 55,045 99,081 165,135 and 495,405, with no remainder.
Since 495,405 cannot be divided by just 1 and 495,405, it is not a prime number.