Q: Is 402,490 a Prime Number?
A: No, 402,490 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 402490 can be evenly divided by 1 2 5 10 11 22 55 110 3,659 7,318 18,295 36,590 40,249 80,498 201,245 and 402,490, with no remainder.
Since 402,490 cannot be divided by just 1 and 402,490, it is not a prime number.