Q: Is 1,231,020 a Prime Number?
A: No, 1,231,020 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 1231020 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 977 1,260 1,954 2,931 3,908 4,885 5,862 6,839 8,793 9,770 11,724 13,678 14,655 17,586 19,540 20,517 27,356 29,310 34,195 35,172 41,034 43,965 58,620 61,551 68,390 82,068 87,930 102,585 123,102 136,780 175,860 205,170 246,204 307,755 410,340 615,510 and 1,231,020, with no remainder.
Since 1,231,020 cannot be divided by just 1 and 1,231,020, it is not a prime number.