Q: Is 31,221,330 a Composite Number?

Why is 31,221,330 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 31,221,330 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 49 67 70 98 105 134 147 201 210 245 294 317 335 402 469 490 634 670 735 938 951 1,005 1,407 1,470 1,585 1,902 2,010 2,219 2,345 2,814 3,170 3,283 4,438 4,690 4,755 6,566 6,657 7,035 9,510 9,849 11,095 13,314 14,070 15,533 16,415 19,698 21,239 22,190 31,066 32,830 33,285 42,478 46,599 49,245 63,717 66,570 77,665 93,198 98,490 106,195 127,434 148,673 155,330 212,390 232,995 297,346 318,585 446,019 465,990 637,170 743,365 892,038 1,040,711 1,486,730 2,081,422 2,230,095 3,122,133 4,460,190 5,203,555 6,244,266 10,407,110 15,610,665 and 31,221,330, with no remainder.

Since 31,221,330 cannot be divided by just 1 and 31,221,330, 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).