Q: Is 4,078,620 a Composite Number?

Why is 4,078,620 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 4,078,620 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 83 84 90 91 105 108 117 126 130 135 140 156 166 180 182 189 195 210 234 249 252 260 270 273 315 332 351 364 378 390 415 420 455 468 498 540 546 581 585 630 702 747 756 780 819 830 910 945 996 1,079 1,092 1,162 1,170 1,245 1,260 1,365 1,404 1,494 1,638 1,660 1,743 1,755 1,820 1,890 2,158 2,241 2,324 2,340 2,457 2,490 2,730 2,905 2,988 3,237 3,276 3,486 3,510 3,735 3,780 4,095 4,316 4,482 4,914 4,980 5,229 5,395 5,460 5,810 6,474 6,972 7,020 7,470 7,553 8,190 8,715 8,964 9,711 9,828 10,458 10,790 11,205 11,620 12,285 12,948 14,940 15,106 15,687 16,185 16,380 17,430 19,422 20,916 21,580 22,410 22,659 24,570 26,145 29,133 30,212 31,374 32,370 34,860 37,765 38,844 44,820 45,318 48,555 49,140 52,290 58,266 62,748 64,740 67,977 75,530 78,435 90,636 97,110 104,580 113,295 116,532 135,954 145,665 151,060 156,870 194,220 203,931 226,590 271,908 291,330 313,740 339,885 407,862 453,180 582,660 679,770 815,724 1,019,655 1,359,540 2,039,310 and 4,078,620, with no remainder.

Since 4,078,620 cannot be divided by just 1 and 4,078,620, 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).