Q: Is 402,440 a Prime Number?
A: No, 402,440 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 402440 can be evenly divided by 1 2 4 5 8 10 20 40 10,061 20,122 40,244 50,305 80,488 100,610 201,220 and 402,440, with no remainder.
Since 402,440 cannot be divided by just 1 and 402,440, it is not a prime number.