Q: Is 402,978 a Prime Number?
A: No, 402,978 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 402978 can be evenly divided by 1 2 3 6 47 94 141 282 1,429 2,858 4,287 8,574 67,163 134,326 201,489 and 402,978, with no remainder.
Since 402,978 cannot be divided by just 1 and 402,978, it is not a prime number.