Q: Is 85,239 a Prime Number?
A: No, 85,239 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 85239 can be evenly divided by 1 3 7 9 11 21 27 33 41 63 77 99 123 189 231 287 297 369 451 693 861 1,107 1,353 2,079 2,583 3,157 4,059 7,749 9,471 12,177 28,413 and 85,239, with no remainder.
Since 85,239 cannot be divided by just 1 and 85,239, it is not a prime number.