Q: Is 402,016 a Prime Number?
A: No, 402,016 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 402016 can be evenly divided by 1 2 4 8 16 17 32 34 68 136 272 544 739 1,478 2,956 5,912 11,824 12,563 23,648 25,126 50,252 100,504 201,008 and 402,016, with no remainder.
Since 402,016 cannot be divided by just 1 and 402,016, it is not a prime number.