Q: Is 15,276,870 a Composite Number?

Why is 15,276,870 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 15,276,870 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 59 63 70 90 105 118 126 135 137 177 189 210 270 274 295 315 354 378 411 413 531 590 630 685 822 826 885 945 959 1,062 1,233 1,239 1,370 1,593 1,770 1,890 1,918 2,055 2,065 2,466 2,478 2,655 2,877 3,186 3,699 3,717 4,110 4,130 4,795 5,310 5,754 6,165 6,195 7,398 7,434 7,965 8,083 8,631 9,590 11,151 12,330 12,390 14,385 15,930 16,166 17,262 18,495 18,585 22,302 24,249 25,893 28,770 36,990 37,170 40,415 43,155 48,498 51,786 55,755 56,581 72,747 80,830 86,310 111,510 113,162 121,245 129,465 145,494 169,743 218,241 242,490 258,930 282,905 339,486 363,735 436,482 509,229 565,810 727,470 848,715 1,018,458 1,091,205 1,527,687 1,697,430 2,182,410 2,546,145 3,055,374 5,092,290 7,638,435 and 15,276,870, with no remainder.

Since 15,276,870 cannot be divided by just 1 and 15,276,870, 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).