Q: Is 258,125 a Prime Number?
A: No, 258,125 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 258125 can be evenly divided by 1 5 7 25 35 59 125 175 295 413 625 875 1,475 2,065 4,375 7,375 10,325 36,875 51,625 and 258,125, with no remainder.
Since 258,125 cannot be divided by just 1 and 258,125, it is not a prime number.