Q: Is 2,129,760 a Composite Number?

Why is 2,129,760 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 2,129,760 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 29 30 32 34 36 40 45 48 51 54 58 60 68 72 80 85 87 90 96 102 108 116 120 135 136 144 145 153 160 170 174 180 204 216 232 240 255 261 270 272 288 290 306 340 348 360 408 432 435 459 464 480 493 510 522 540 544 580 612 680 696 720 765 783 816 864 870 918 928 986 1,020 1,044 1,080 1,160 1,224 1,305 1,360 1,392 1,440 1,479 1,530 1,566 1,632 1,740 1,836 1,972 2,040 2,088 2,160 2,295 2,320 2,448 2,465 2,610 2,720 2,784 2,958 3,060 3,132 3,480 3,672 3,915 3,944 4,080 4,176 4,320 4,437 4,590 4,640 4,896 4,930 5,220 5,916 6,120 6,264 6,960 7,344 7,395 7,830 7,888 8,160 8,352 8,874 9,180 9,860 10,440 11,832 12,240 12,528 13,311 13,920 14,688 14,790 15,660 15,776 17,748 18,360 19,720 20,880 22,185 23,664 24,480 25,056 26,622 29,580 31,320 35,496 36,720 39,440 41,760 44,370 47,328 53,244 59,160 62,640 66,555 70,992 73,440 78,880 88,740 106,488 118,320 125,280 133,110 141,984 177,480 212,976 236,640 266,220 354,960 425,952 532,440 709,920 1,064,880 and 2,129,760, with no remainder.

Since 2,129,760 cannot be divided by just 1 and 2,129,760, 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).