Q: Is 1,000,620 a Prime Number?
A: No, 1,000,620 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 1000620 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 85 90 102 108 109 135 153 170 180 204 218 255 270 306 327 340 436 459 510 540 545 612 654 765 918 981 1,020 1,090 1,308 1,530 1,635 1,836 1,853 1,962 2,180 2,295 2,943 3,060 3,270 3,706 3,924 4,590 4,905 5,559 5,886 6,540 7,412 9,180 9,265 9,810 11,118 11,772 14,715 16,677 18,530 19,620 22,236 27,795 29,430 33,354 37,060 50,031 55,590 58,860 66,708 83,385 100,062 111,180 166,770 200,124 250,155 333,540 500,310 and 1,000,620, with no remainder.
Since 1,000,620 cannot be divided by just 1 and 1,000,620, it is not a prime number.