Q: Is 400,324,320 a Composite Number?

Why is 400,324,320 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 400,324,320 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 66 72 80 88 90 96 99 110 120 127 132 144 160 165 176 180 198 199 220 240 254 264 288 330 352 360 381 396 398 440 480 495 508 528 597 635 660 720 762 792 796 880 990 995 1,016 1,056 1,143 1,194 1,270 1,320 1,397 1,440 1,524 1,584 1,592 1,760 1,791 1,905 1,980 1,990 2,032 2,189 2,286 2,388 2,540 2,640 2,794 2,985 3,048 3,168 3,184 3,582 3,810 3,960 3,980 4,064 4,191 4,378 4,572 4,776 5,080 5,280 5,588 5,715 5,970 6,096 6,368 6,567 6,985 7,164 7,620 7,920 7,960 8,382 8,756 8,955 9,144 9,552 10,160 10,945 11,176 11,430 11,940 12,192 12,573 13,134 13,970 14,328 15,240 15,840 15,920 16,764 17,512 17,910 18,288 19,104 19,701 20,320 20,955 21,890 22,352 22,860 23,880 25,146 25,273 26,268 27,940 28,656 30,480 31,840 32,835 33,528 35,024 35,820 36,576 39,402 41,910 43,780 44,704 45,720 47,760 50,292 50,546 52,536 55,880 57,312 60,960 62,865 65,670 67,056 70,048 71,640 75,819 78,804 83,820 87,560 91,440 95,520 98,505 100,584 101,092 105,072 111,760 125,730 126,365 131,340 134,112 143,280 151,638 157,608 167,640 175,120 182,880 197,010 201,168 202,184 210,144 223,520 227,457 251,460 252,730 262,680 278,003 286,560 303,276 315,216 335,280 350,240 379,095 394,020 402,336 404,368 454,914 502,920 505,460 525,360 556,006 606,552 630,432 670,560 758,190 788,040 808,736 834,009 909,828 1,005,840 1,010,920 1,050,720 1,112,012 1,137,285 1,213,104 1,390,015 1,516,380 1,576,080 1,668,018 1,819,656 2,011,680 2,021,840 2,224,024 2,274,570 2,426,208 2,502,027 2,780,030 3,032,760 3,152,160 3,336,036 3,639,312 4,043,680 4,170,045 4,448,048 4,549,140 5,004,054 5,560,060 6,065,520 6,672,072 7,278,624 8,340,090 8,896,096 9,098,280 10,008,108 11,120,120 12,131,040 12,510,135 13,344,144 16,680,180 18,196,560 20,016,216 22,240,240 25,020,270 26,688,288 33,360,360 36,393,120 40,032,432 44,480,480 50,040,540 66,720,720 80,064,864 100,081,080 133,441,440 200,162,160 and 400,324,320, with no remainder.

Since 400,324,320 cannot be divided by just 1 and 400,324,320, 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).