Q: Is 231,042,870 a Composite Number?

Why is 231,042,870 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 231,042,870 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 43 45 86 90 129 215 227 258 263 387 430 454 526 645 681 774 789 1,135 1,290 1,315 1,362 1,578 1,935 2,043 2,270 2,367 2,630 3,405 3,870 3,945 4,086 4,734 6,810 7,890 9,761 10,215 11,309 11,835 19,522 20,430 22,618 23,670 29,283 33,927 48,805 56,545 58,566 59,701 67,854 87,849 97,610 101,781 113,090 119,402 146,415 169,635 175,698 179,103 203,562 292,830 298,505 339,270 358,206 439,245 508,905 537,309 597,010 878,490 895,515 1,017,810 1,074,618 1,791,030 2,567,143 2,686,545 5,134,286 5,373,090 7,701,429 12,835,715 15,402,858 23,104,287 25,671,430 38,507,145 46,208,574 77,014,290 115,521,435 and 231,042,870, with no remainder.

Since 231,042,870 cannot be divided by just 1 and 231,042,870, 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).