Q: Is 3,112,830 a Composite Number?

Why is 3,112,830 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 3,112,830 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 61 63 70 81 90 105 122 126 135 162 183 189 210 243 270 305 315 366 378 405 427 486 549 567 610 630 729 810 854 915 945 1,098 1,134 1,215 1,281 1,458 1,647 1,701 1,830 1,890 2,135 2,430 2,562 2,745 2,835 3,294 3,402 3,645 3,843 4,270 4,941 5,103 5,490 5,670 6,405 7,290 7,686 8,235 8,505 9,882 10,206 11,529 12,810 14,823 16,470 17,010 19,215 23,058 24,705 25,515 29,646 34,587 38,430 44,469 49,410 51,030 57,645 69,174 74,115 88,938 103,761 115,290 148,230 172,935 207,522 222,345 311,283 345,870 444,690 518,805 622,566 1,037,610 1,556,415 and 3,112,830, with no remainder.

Since 3,112,830 cannot be divided by just 1 and 3,112,830, 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).