Q: Is 218,500 a Prime Number?
A: No, 218,500 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 218500 can be evenly divided by 1 2 4 5 10 19 20 23 25 38 46 50 76 92 95 100 115 125 190 230 250 380 437 460 475 500 575 874 950 1,150 1,748 1,900 2,185 2,300 2,375 2,875 4,370 4,750 5,750 8,740 9,500 10,925 11,500 21,850 43,700 54,625 109,250 and 218,500, with no remainder.
Since 218,500 cannot be divided by just 1 and 218,500, it is not a prime number.