Q: Is 1,391,940 a Composite Number?

Why is 1,391,940 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 1,391,940 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 30 33 36 37 38 44 45 55 57 60 66 74 76 90 95 99 110 111 114 132 148 165 171 180 185 190 198 209 220 222 228 285 330 333 342 370 380 396 407 418 444 495 555 570 627 660 666 684 703 740 814 836 855 990 1,045 1,110 1,140 1,221 1,254 1,332 1,406 1,628 1,665 1,710 1,881 1,980 2,035 2,090 2,109 2,220 2,442 2,508 2,812 3,135 3,330 3,420 3,515 3,663 3,762 4,070 4,180 4,218 4,884 6,105 6,270 6,327 6,660 7,030 7,326 7,524 7,733 8,140 8,436 9,405 10,545 12,210 12,540 12,654 14,060 14,652 15,466 18,315 18,810 21,090 23,199 24,420 25,308 30,932 31,635 36,630 37,620 38,665 42,180 46,398 63,270 69,597 73,260 77,330 92,796 115,995 126,540 139,194 154,660 231,990 278,388 347,985 463,980 695,970 and 1,391,940, with no remainder.

Since 1,391,940 cannot be divided by just 1 and 1,391,940, 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).