Q: Is 402,005 a Prime Number?
A: No, 402,005 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 402005 can be evenly divided by 1 5 37 41 53 185 205 265 1,517 1,961 2,173 7,585 9,805 10,865 80,401 and 402,005, with no remainder.
Since 402,005 cannot be divided by just 1 and 402,005, it is not a prime number.