Q: Is 1,844,640 a Composite Number?

Why is 1,844,640 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,844,640 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 61 63 70 72 80 84 90 96 105 108 112 120 122 126 135 140 144 160 168 180 183 189 210 216 224 240 244 252 270 280 288 305 315 336 360 366 378 420 427 432 480 488 504 540 549 560 610 630 672 720 732 756 840 854 864 915 945 976 1,008 1,080 1,098 1,120 1,220 1,260 1,281 1,440 1,464 1,512 1,647 1,680 1,708 1,830 1,890 1,952 2,016 2,135 2,160 2,196 2,440 2,520 2,562 2,745 2,928 3,024 3,294 3,360 3,416 3,660 3,780 3,843 4,270 4,320 4,392 4,880 5,040 5,124 5,490 5,856 6,048 6,405 6,588 6,832 7,320 7,560 7,686 8,235 8,540 8,784 9,760 10,080 10,248 10,980 11,529 12,810 13,176 13,664 14,640 15,120 15,372 16,470 17,080 17,568 19,215 20,496 21,960 23,058 25,620 26,352 29,280 30,240 30,744 32,940 34,160 38,430 40,992 43,920 46,116 51,240 52,704 57,645 61,488 65,880 68,320 76,860 87,840 92,232 102,480 115,290 122,976 131,760 153,720 184,464 204,960 230,580 263,520 307,440 368,928 461,160 614,880 922,320 and 1,844,640, with no remainder.

Since 1,844,640 cannot be divided by just 1 and 1,844,640, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).