Q: Is 1,723,920 a Prime Number?
A: No, 1,723,920 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 1723920 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 653 660 880 1,306 1,320 1,959 2,612 2,640 3,265 3,918 5,224 6,530 7,183 7,836 9,795 10,448 13,060 14,366 15,672 19,590 21,549 26,120 28,732 31,344 35,915 39,180 43,098 52,240 57,464 71,830 78,360 86,196 107,745 114,928 143,660 156,720 172,392 215,490 287,320 344,784 430,980 574,640 861,960 and 1,723,920, with no remainder.
Since 1,723,920 cannot be divided by just 1 and 1,723,920, it is not a prime number.