Q: Is 1,505,790 a Composite Number?

Why is 1,505,790 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 1,505,790 can be evenly divided by 1 2 3 5 6 9 10 11 13 15 18 22 26 27 30 33 39 45 54 55 65 66 78 81 90 99 110 117 130 135 143 162 165 169 195 198 234 270 286 297 330 338 351 390 405 429 495 507 585 594 702 715 810 845 858 891 990 1,014 1,053 1,170 1,287 1,430 1,485 1,521 1,690 1,755 1,782 1,859 2,106 2,145 2,535 2,574 2,970 3,042 3,510 3,718 3,861 4,290 4,455 4,563 5,070 5,265 5,577 6,435 7,605 7,722 8,910 9,126 9,295 10,530 11,154 11,583 12,870 13,689 15,210 16,731 18,590 19,305 22,815 23,166 27,378 27,885 33,462 38,610 45,630 50,193 55,770 57,915 68,445 83,655 100,386 115,830 136,890 150,579 167,310 250,965 301,158 501,930 752,895 and 1,505,790, with no remainder.

Since 1,505,790 cannot be divided by just 1 and 1,505,790, 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).