Q: Is 12,750,210 a Composite Number?

Why is 12,750,210 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 12,750,210 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 53 54 55 66 81 90 99 106 110 135 159 162 165 198 243 265 270 297 318 330 405 477 486 495 530 583 594 729 795 810 891 954 990 1,166 1,215 1,431 1,458 1,485 1,590 1,749 1,782 2,187 2,385 2,430 2,673 2,862 2,915 2,970 3,498 3,645 4,293 4,374 4,455 4,770 5,247 5,346 5,830 7,155 7,290 8,019 8,586 8,745 8,910 10,494 10,935 12,879 13,365 14,310 15,741 16,038 17,490 21,465 21,870 24,057 25,758 26,235 26,730 31,482 38,637 40,095 42,930 47,223 48,114 52,470 64,395 77,274 78,705 80,190 94,446 115,911 120,285 128,790 141,669 157,410 193,185 231,822 236,115 240,570 283,338 386,370 425,007 472,230 579,555 708,345 850,014 1,159,110 1,275,021 1,416,690 2,125,035 2,550,042 4,250,070 6,375,105 and 12,750,210, with no remainder.

Since 12,750,210 cannot be divided by just 1 and 12,750,210, 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).