Q: Is 121,321,200 a Composite Number?

Why is 121,321,200 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 121,321,200 can be evenly divided by 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 25 26 28 30 33 35 39 40 42 44 48 50 52 55 56 60 65 66 70 75 77 78 80 84 88 91 100 101 104 105 110 112 120 130 132 140 143 150 154 156 165 168 175 176 182 195 200 202 208 210 220 231 240 260 264 273 275 280 286 300 303 308 312 325 330 336 350 364 385 390 400 404 420 429 440 455 462 505 520 525 528 546 550 560 572 600 606 616 624 650 660 700 707 715 728 770 780 808 825 840 858 880 910 924 975 1,001 1,010 1,040 1,050 1,092 1,100 1,111 1,144 1,155 1,200 1,212 1,232 1,300 1,313 1,320 1,365 1,400 1,414 1,430 1,456 1,515 1,540 1,560 1,616 1,650 1,680 1,716 1,820 1,848 1,925 1,950 2,002 2,020 2,100 2,121 2,145 2,184 2,200 2,222 2,275 2,288 2,310 2,424 2,525 2,600 2,626 2,640 2,730 2,800 2,828 2,860 3,003 3,030 3,080 3,120 3,300 3,333 3,432 3,535 3,575 3,640 3,696 3,850 3,900 3,939 4,004 4,040 4,200 4,242 4,290 4,368 4,400 4,444 4,550 4,620 4,848 5,005 5,050 5,200 5,252 5,460 5,555 5,656 5,720 5,775 6,006 6,060 6,160 6,565 6,600 6,666 6,825 6,864 7,070 7,150 7,280 7,575 7,700 7,777 7,800 7,878 8,008 8,080 8,400 8,484 8,580 8,888 9,100 9,191 9,240 10,010 10,100 10,504 10,605 10,725 10,920 11,110 11,312 11,440 11,550 12,012 12,120 13,130 13,200 13,332 13,650 14,140 14,300 14,443 15,015 15,150 15,400 15,554 15,600 15,756 16,016 16,665 16,968 17,160 17,675 17,776 18,200 18,382 18,480 19,695 20,020 20,200 21,008 21,210 21,450 21,840 22,220 23,100 23,331 24,024 24,240 25,025 26,260 26,664 27,300 27,573 27,775 28,280 28,600 28,886 30,030 30,300 30,800 31,108 31,512 32,825 33,330 33,936 34,320 35,350 36,400 36,764 38,885 39,390 40,040 40,400 42,420 42,900 43,329 44,440 45,955 46,200 46,662 48,048 50,050 52,520 53,025 53,328 54,600 55,146 55,550 56,560 57,200 57,772 60,060 60,600 62,216 63,024 65,650 66,660 70,700 72,215 73,528 75,075 77,770 78,780 80,080 83,325 84,840 85,800 86,658 88,880 91,910 92,400 93,324 98,475 100,100 101,101 105,040 106,050 109,200 110,292 111,100 115,544 116,655 120,120 121,200 124,432 131,300 133,320 137,865 141,400 144,430 147,056 150,150 155,540 157,560 166,650 169,680 171,600 173,316 183,820 186,648 194,425 196,950 200,200 202,202 212,100 216,645 220,584 222,200 229,775 231,088 233,310 240,240 262,600 266,640 275,730 282,800 288,860 300,300 303,303 311,080 315,120 333,300 346,632 361,075 367,640 373,296 388,850 393,900 400,400 404,404 424,200 433,290 441,168 444,400 459,550 466,620 505,505 525,200 551,460 577,720 583,275 600,600 606,606 622,160 666,600 689,325 693,264 722,150 735,280 777,700 787,800 808,808 848,400 866,580 919,100 933,240 1,011,010 1,083,225 1,102,920 1,155,440 1,166,550 1,201,200 1,213,212 1,333,200 1,378,650 1,444,300 1,516,515 1,555,400 1,575,600 1,617,616 1,733,160 1,838,200 1,866,480 2,022,020 2,166,450 2,205,840 2,333,100 2,426,424 2,527,525 2,757,300 2,888,600 3,033,030 3,110,800 3,466,320 3,676,400 4,044,040 4,332,900 4,666,200 4,852,848 5,055,050 5,514,600 5,777,200 6,066,060 7,582,575 8,088,080 8,665,800 9,332,400 10,110,100 11,029,200 12,132,120 15,165,150 17,331,600 20,220,200 24,264,240 30,330,300 40,440,400 60,660,600 and 121,321,200, with no remainder.

Since 121,321,200 cannot be divided by just 1 and 121,321,200, 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).