Q: Is 2,666,840 a Composite Number?

Why is 2,666,840 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 2,666,840 can be evenly divided by 1 2 4 5 8 10 11 19 20 22 29 38 40 44 55 58 76 88 95 110 116 121 145 152 190 209 220 232 242 290 319 380 418 440 484 551 580 605 638 760 836 968 1,045 1,102 1,160 1,210 1,276 1,595 1,672 2,090 2,204 2,299 2,420 2,552 2,755 3,190 3,509 4,180 4,408 4,598 4,840 5,510 6,061 6,380 7,018 8,360 9,196 11,020 11,495 12,122 12,760 14,036 17,545 18,392 22,040 22,990 24,244 28,072 30,305 35,090 45,980 48,488 60,610 66,671 70,180 91,960 121,220 133,342 140,360 242,440 266,684 333,355 533,368 666,710 1,333,420 and 2,666,840, with no remainder.

Since 2,666,840 cannot be divided by just 1 and 2,666,840, 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).