Q: Is 1,366,120 a Prime Number?
A: No, 1,366,120 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 1366120 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 28 34 35 40 41 49 56 68 70 82 85 98 119 136 140 164 170 196 205 238 245 280 287 328 340 392 410 476 490 574 595 680 697 820 833 952 980 1,148 1,190 1,394 1,435 1,640 1,666 1,960 2,009 2,296 2,380 2,788 2,870 3,332 3,485 4,018 4,165 4,760 4,879 5,576 5,740 6,664 6,970 8,036 8,330 9,758 10,045 11,480 13,940 16,072 16,660 19,516 20,090 24,395 27,880 33,320 34,153 39,032 40,180 48,790 68,306 80,360 97,580 136,612 170,765 195,160 273,224 341,530 683,060 and 1,366,120, with no remainder.
Since 1,366,120 cannot be divided by just 1 and 1,366,120, it is not a prime number.