Q: Is 40,221,840 a Composite Number?

Why is 40,221,840 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 40,221,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1,160 1,392 1,740 2,320 3,480 5,779 6,960 11,558 17,337 23,116 28,895 34,674 46,232 57,790 69,348 86,685 92,464 115,580 138,696 167,591 173,370 231,160 277,392 335,182 346,740 462,320 502,773 670,364 693,480 837,955 1,005,546 1,340,728 1,386,960 1,675,910 2,011,092 2,513,865 2,681,456 3,351,820 4,022,184 5,027,730 6,703,640 8,044,368 10,055,460 13,407,280 20,110,920 and 40,221,840, with no remainder.

Since 40,221,840 cannot be divided by just 1 and 40,221,840, 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).