Q: Is 345,135 a Prime Number?
A: No, 345,135 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 345135 can be evenly divided by 1 3 5 7 15 19 21 35 57 95 105 133 173 285 399 519 665 865 1,211 1,995 2,595 3,287 3,633 6,055 9,861 16,435 18,165 23,009 49,305 69,027 115,045 and 345,135, with no remainder.
Since 345,135 cannot be divided by just 1 and 345,135, it is not a prime number.