Q: Is 18,211,200 a Composite Number?

Why is 18,211,200 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 18,211,200 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 64 70 75 80 84 96 100 105 112 120 128 140 150 160 168 175 192 200 210 224 240 271 280 300 320 336 350 384 400 420 448 480 525 542 560 600 640 672 700 800 813 840 896 960 1,050 1,084 1,120 1,200 1,344 1,355 1,400 1,600 1,626 1,680 1,897 1,920 2,100 2,168 2,240 2,400 2,688 2,710 2,800 3,200 3,252 3,360 3,794 4,065 4,200 4,336 4,480 4,800 5,420 5,600 5,691 6,504 6,720 6,775 7,588 8,130 8,400 8,672 9,485 9,600 10,840 11,200 11,382 13,008 13,440 13,550 15,176 16,260 16,800 17,344 18,970 20,325 21,680 22,400 22,764 26,016 27,100 28,455 30,352 32,520 33,600 34,688 37,940 40,650 43,360 45,528 47,425 52,032 54,200 56,910 60,704 65,040 67,200 75,880 81,300 86,720 91,056 94,850 104,064 108,400 113,820 121,408 130,080 142,275 151,760 162,600 173,440 182,112 189,700 216,800 227,640 242,816 260,160 284,550 303,520 325,200 364,224 379,400 433,600 455,280 520,320 569,100 607,040 650,400 728,448 758,800 867,200 910,560 1,138,200 1,214,080 1,300,800 1,517,600 1,821,120 2,276,400 2,601,600 3,035,200 3,642,240 4,552,800 6,070,400 9,105,600 and 18,211,200, with no remainder.

Since 18,211,200 cannot be divided by just 1 and 18,211,200, 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).