Q: Is 231,530 a Prime Number?
A: No, 231,530 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 231530 can be evenly divided by 1 2 5 10 13 26 65 130 137 169 274 338 685 845 1,370 1,690 1,781 3,562 8,905 17,810 23,153 46,306 115,765 and 231,530, with no remainder.
Since 231,530 cannot be divided by just 1 and 231,530, it is not a prime number.