Q: Is 355,580 a Prime Number?
A: No, 355,580 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 355580 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 773 1,546 3,092 3,865 7,730 15,460 17,779 35,558 71,116 88,895 177,790 and 355,580, with no remainder.
Since 355,580 cannot be divided by just 1 and 355,580, it is not a prime number.