Q: Is 18,008,100 a Composite Number?

Why is 18,008,100 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 18,008,100 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 25 30 33 34 36 44 45 50 51 55 60 66 68 75 85 90 99 100 102 107 110 132 150 153 165 170 180 187 198 204 214 220 225 255 275 300 306 321 330 340 374 396 425 428 450 495 510 535 550 561 612 642 660 748 765 825 850 900 935 963 990 1,020 1,070 1,100 1,122 1,177 1,275 1,284 1,530 1,605 1,650 1,683 1,700 1,819 1,870 1,926 1,980 2,140 2,244 2,354 2,475 2,550 2,675 2,805 3,060 3,210 3,300 3,366 3,531 3,638 3,740 3,825 3,852 4,675 4,708 4,815 4,950 5,100 5,350 5,457 5,610 5,885 6,420 6,732 7,062 7,276 7,650 8,025 8,415 9,095 9,350 9,630 9,900 10,593 10,700 10,914 11,220 11,770 14,025 14,124 15,300 16,050 16,371 16,830 17,655 18,190 18,700 19,260 20,009 21,186 21,828 23,540 24,075 27,285 28,050 29,425 32,100 32,742 33,660 35,310 36,380 40,018 42,075 42,372 45,475 48,150 52,965 54,570 56,100 58,850 60,027 65,484 70,620 80,036 81,855 84,150 88,275 90,950 96,300 100,045 105,930 109,140 117,700 120,054 136,425 163,710 168,300 176,550 180,081 181,900 200,090 211,860 240,108 264,825 272,850 300,135 327,420 353,100 360,162 400,180 409,275 500,225 529,650 545,700 600,270 720,324 818,550 900,405 1,000,450 1,059,300 1,200,540 1,500,675 1,637,100 1,800,810 2,000,900 3,001,350 3,601,620 4,502,025 6,002,700 9,004,050 and 18,008,100, with no remainder.

Since 18,008,100 cannot be divided by just 1 and 18,008,100, 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).