Q: Is 17,867,790 a Composite Number?

Why is 17,867,790 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 17,867,790 can be evenly divided by 1 2 3 5 6 9 10 15 18 19 27 30 38 43 45 54 57 81 86 90 95 114 129 135 162 171 190 215 243 258 270 285 342 387 405 430 486 513 570 645 729 774 810 817 855 1,026 1,161 1,215 1,290 1,458 1,539 1,634 1,710 1,935 2,187 2,322 2,430 2,451 2,565 3,078 3,483 3,645 3,870 4,085 4,374 4,617 4,902 5,130 5,805 6,966 7,290 7,353 7,695 8,170 9,234 10,449 10,935 11,610 12,255 13,851 14,706 15,390 17,415 20,898 21,870 22,059 23,085 24,510 27,702 31,347 34,830 36,765 41,553 44,118 46,170 52,245 62,694 66,177 69,255 73,530 83,106 94,041 104,490 110,295 132,354 138,510 156,735 188,082 198,531 207,765 220,590 313,470 330,885 397,062 415,530 470,205 595,593 661,770 940,410 992,655 1,191,186 1,786,779 1,985,310 2,977,965 3,573,558 5,955,930 8,933,895 and 17,867,790, with no remainder.

Since 17,867,790 cannot be divided by just 1 and 17,867,790, 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).