Q: Is 402,506 a Prime Number?
A: No, 402,506 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 402506 can be evenly divided by 1 2 13 26 113 137 226 274 1,469 1,781 2,938 3,562 15,481 30,962 201,253 and 402,506, with no remainder.
Since 402,506 cannot be divided by just 1 and 402,506, it is not a prime number.