Q: Is 355,185 a Prime Number?
A: No, 355,185 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 355185 can be evenly divided by 1 3 5 9 15 27 45 81 135 405 877 2,631 4,385 7,893 13,155 23,679 39,465 71,037 118,395 and 355,185, with no remainder.
Since 355,185 cannot be divided by just 1 and 355,185, it is not a prime number.