Q: Is 11,112,220 a Composite Number?

Why is 11,112,220 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 11,112,220 can be evenly divided by 1 2 4 5 7 10 14 17 20 23 28 29 34 35 46 49 58 68 70 85 92 98 115 116 119 140 145 161 170 196 203 230 238 245 290 322 340 391 406 460 476 490 493 580 595 644 667 782 805 812 833 980 986 1,015 1,127 1,190 1,334 1,421 1,564 1,610 1,666 1,955 1,972 2,030 2,254 2,380 2,465 2,668 2,737 2,842 3,220 3,332 3,335 3,451 3,910 4,060 4,165 4,508 4,669 4,930 5,474 5,635 5,684 6,670 6,902 7,105 7,820 8,330 9,338 9,860 10,948 11,270 11,339 13,340 13,685 13,804 14,210 16,660 17,255 18,676 19,159 22,540 22,678 23,345 24,157 27,370 28,420 32,683 34,510 38,318 45,356 46,690 48,314 54,740 56,695 65,366 69,020 76,636 79,373 93,380 95,795 96,628 113,390 120,785 130,732 158,746 163,415 191,590 226,780 241,570 317,492 326,830 383,180 396,865 483,140 555,611 653,660 793,730 1,111,222 1,587,460 2,222,444 2,778,055 5,556,110 and 11,112,220, with no remainder.

Since 11,112,220 cannot be divided by just 1 and 11,112,220, 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).