Q: Is 20,680,920 a Composite Number?

Why is 20,680,920 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 20,680,920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 180 195 216 234 260 270 312 324 351 360 390 405 468 491 520 540 585 648 702 780 810 936 982 1,053 1,080 1,170 1,404 1,473 1,560 1,620 1,755 1,964 2,106 2,340 2,455 2,808 2,946 3,240 3,510 3,928 4,212 4,419 4,680 4,910 5,265 5,892 6,383 7,020 7,365 8,424 8,838 9,820 10,530 11,784 12,766 13,257 14,040 14,730 17,676 19,149 19,640 21,060 22,095 25,532 26,514 29,460 31,915 35,352 38,298 39,771 42,120 44,190 51,064 53,028 57,447 58,920 63,830 66,285 76,596 79,542 88,380 95,745 106,056 114,894 127,660 132,570 153,192 159,084 172,341 176,760 191,490 198,855 229,788 255,320 265,140 287,235 318,168 344,682 382,980 397,710 459,576 517,023 530,280 574,470 689,364 765,960 795,420 861,705 1,034,046 1,148,940 1,378,728 1,590,840 1,723,410 2,068,092 2,297,880 2,585,115 3,446,820 4,136,184 5,170,230 6,893,640 10,340,460 and 20,680,920, with no remainder.

Since 20,680,920 cannot be divided by just 1 and 20,680,920, 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).