Q: Is 258,500 a Prime Number?
A: No, 258,500 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 258500 can be evenly divided by 1 2 4 5 10 11 20 22 25 44 47 50 55 94 100 110 125 188 220 235 250 275 470 500 517 550 940 1,034 1,100 1,175 1,375 2,068 2,350 2,585 2,750 4,700 5,170 5,500 5,875 10,340 11,750 12,925 23,500 25,850 51,700 64,625 129,250 and 258,500, with no remainder.
Since 258,500 cannot be divided by just 1 and 258,500, it is not a prime number.