Q: Is 540,540 a Composite Number?

Why is 540,540 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 540,540 can be evenly divided by 1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 27 28 30 33 35 36 39 42 44 45 52 54 55 60 63 65 66 70 77 78 84 90 91 99 105 108 110 117 126 130 132 135 140 143 154 156 165 180 182 189 195 198 210 220 231 234 252 260 270 273 286 297 308 315 330 351 364 378 385 390 396 420 429 455 462 468 495 540 546 572 585 594 630 660 693 702 715 756 770 780 819 858 910 924 945 990 1,001 1,092 1,155 1,170 1,188 1,260 1,287 1,365 1,386 1,404 1,430 1,485 1,540 1,638 1,716 1,755 1,820 1,890 1,980 2,002 2,079 2,145 2,310 2,340 2,457 2,574 2,730 2,772 2,860 2,970 3,003 3,276 3,465 3,510 3,780 3,861 4,004 4,095 4,158 4,290 4,620 4,914 5,005 5,148 5,460 5,940 6,006 6,435 6,930 7,020 7,722 8,190 8,316 8,580 9,009 9,828 10,010 10,395 12,012 12,285 12,870 13,860 15,015 15,444 16,380 18,018 19,305 20,020 20,790 24,570 25,740 27,027 30,030 36,036 38,610 41,580 45,045 49,140 54,054 60,060 77,220 90,090 108,108 135,135 180,180 270,270 and 540,540, with no remainder.

Since 540,540 cannot be divided by just 1 and 540,540, 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).