Q: Is 1,500,660 a Prime Number?
A: No, 1,500,660 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 1500660 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 397 420 540 630 756 794 945 1,191 1,260 1,588 1,890 1,985 2,382 2,779 3,573 3,780 3,970 4,764 5,558 5,955 7,146 7,940 8,337 10,719 11,116 11,910 13,895 14,292 16,674 17,865 21,438 23,820 25,011 27,790 33,348 35,730 41,685 42,876 50,022 53,595 55,580 71,460 75,033 83,370 100,044 107,190 125,055 150,066 166,740 214,380 250,110 300,132 375,165 500,220 750,330 and 1,500,660, with no remainder.
Since 1,500,660 cannot be divided by just 1 and 1,500,660, it is not a prime number.