Q: Is 231,105 a Prime Number?
A: No, 231,105 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 231105 can be evenly divided by 1 3 5 7 15 21 31 35 71 93 105 155 213 217 355 465 497 651 1,065 1,085 1,491 2,201 2,485 3,255 6,603 7,455 11,005 15,407 33,015 46,221 77,035 and 231,105, with no remainder.
Since 231,105 cannot be divided by just 1 and 231,105, it is not a prime number.