Q: Is 331,500 a Prime Number?
A: No, 331,500 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 331500 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 17 20 25 26 30 34 39 50 51 52 60 65 68 75 78 85 100 102 125 130 150 156 170 195 204 221 250 255 260 300 325 340 375 390 425 442 500 510 650 663 750 780 850 884 975 1,020 1,105 1,275 1,300 1,326 1,500 1,625 1,700 1,950 2,125 2,210 2,550 2,652 3,250 3,315 3,900 4,250 4,420 4,875 5,100 5,525 6,375 6,500 6,630 8,500 9,750 11,050 12,750 13,260 16,575 19,500 22,100 25,500 27,625 33,150 55,250 66,300 82,875 110,500 165,750 and 331,500, with no remainder.
Since 331,500 cannot be divided by just 1 and 331,500, it is not a prime number.