Q: Is 1,117,920 a Prime Number?
A: No, 1,117,920 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 1117920 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 137 160 170 204 240 255 272 274 340 408 411 480 510 544 548 680 685 816 822 1,020 1,096 1,360 1,370 1,632 1,644 2,040 2,055 2,192 2,329 2,720 2,740 3,288 4,080 4,110 4,384 4,658 5,480 6,576 6,987 8,160 8,220 9,316 10,960 11,645 13,152 13,974 16,440 18,632 21,920 23,290 27,948 32,880 34,935 37,264 46,580 55,896 65,760 69,870 74,528 93,160 111,792 139,740 186,320 223,584 279,480 372,640 558,960 and 1,117,920, with no remainder.
Since 1,117,920 cannot be divided by just 1 and 1,117,920, it is not a prime number.