Q: Is 355,009 a Prime Number?
A: Yes, 355,009 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 355009 can be evenly divided by 1 and 355,009, with no remainder.
Since 355,009 can be divided by just 1 and 355,009, it is a prime number.