Q: Is 17,911,740 a Composite Number?

Why is 17,911,740 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 17,911,740 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1,155 1,540 2,310 3,877 4,620 7,754 11,631 15,508 19,385 23,262 27,139 38,770 42,647 46,524 54,278 58,155 77,540 81,417 85,294 108,556 116,310 127,941 135,695 162,834 170,588 213,235 232,620 255,882 271,390 298,529 325,668 407,085 426,470 511,764 542,780 597,058 639,705 814,170 852,940 895,587 1,194,116 1,279,410 1,492,645 1,628,340 1,791,174 2,558,820 2,985,290 3,582,348 4,477,935 5,970,580 8,955,870 and 17,911,740, with no remainder.

Since 17,911,740 cannot be divided by just 1 and 17,911,740, 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).