Q: Is 409,624 a Prime Number?
A: No, 409,624 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 409624 can be evenly divided by 1 2 4 8 51,203 102,406 204,812 and 409,624, with no remainder.
Since 409,624 cannot be divided by just 1 and 409,624, it is not a prime number.