Q: Is 15,311,340 a Composite Number?

Why is 15,311,340 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 15,311,340 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 30 33 36 37 38 44 45 55 57 60 66 74 76 90 95 99 110 111 114 121 132 148 165 171 180 185 190 198 209 220 222 228 242 285 330 333 342 363 370 380 396 407 418 444 484 495 555 570 605 627 660 666 684 703 726 740 814 836 855 990 1,045 1,089 1,110 1,140 1,210 1,221 1,254 1,332 1,406 1,452 1,628 1,665 1,710 1,815 1,881 1,980 2,035 2,090 2,109 2,178 2,220 2,299 2,420 2,442 2,508 2,812 3,135 3,330 3,420 3,515 3,630 3,663 3,762 4,070 4,180 4,218 4,356 4,477 4,598 4,884 5,445 6,105 6,270 6,327 6,660 6,897 7,030 7,260 7,326 7,524 7,733 8,140 8,436 8,954 9,196 9,405 10,545 10,890 11,495 12,210 12,540 12,654 13,431 13,794 14,060 14,652 15,466 17,908 18,315 18,810 20,691 21,090 21,780 22,385 22,990 23,199 24,420 25,308 26,862 27,588 30,932 31,635 34,485 36,630 37,620 38,665 40,293 41,382 42,180 44,770 45,980 46,398 53,724 63,270 67,155 68,970 69,597 73,260 77,330 80,586 82,764 85,063 89,540 92,796 103,455 115,995 126,540 134,310 137,940 139,194 154,660 161,172 170,126 201,465 206,910 231,990 255,189 268,620 278,388 340,252 347,985 402,930 413,820 425,315 463,980 510,378 695,970 765,567 805,860 850,630 1,020,756 1,275,945 1,391,940 1,531,134 1,701,260 2,551,890 3,062,268 3,827,835 5,103,780 7,655,670 and 15,311,340, with no remainder.

Since 15,311,340 cannot be divided by just 1 and 15,311,340, 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).