Q: Is 221,222,100 a Composite Number?

Why is 221,222,100 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 221,222,100 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 43 44 50 55 60 66 75 86 100 110 129 132 150 165 172 215 220 258 275 300 330 430 473 516 550 645 660 825 860 946 1,075 1,100 1,290 1,419 1,559 1,650 1,892 2,150 2,365 2,580 2,838 3,118 3,225 3,300 4,300 4,677 4,730 5,676 6,236 6,450 7,095 7,795 9,354 9,460 11,825 12,900 14,190 15,590 17,149 18,708 23,385 23,650 28,380 31,180 34,298 35,475 38,975 46,770 47,300 51,447 67,037 68,596 70,950 77,950 85,745 93,540 102,894 116,925 134,074 141,900 155,900 171,490 201,111 205,788 233,850 257,235 268,148 335,185 342,980 402,222 428,725 467,700 514,470 670,370 737,407 804,444 857,450 1,005,555 1,028,940 1,286,175 1,340,740 1,474,814 1,675,925 1,714,900 2,011,110 2,212,221 2,572,350 2,949,628 3,351,850 3,687,035 4,022,220 4,424,442 5,027,775 5,144,700 6,703,700 7,374,070 8,848,884 10,055,550 11,061,105 14,748,140 18,435,175 20,111,100 22,122,210 36,870,350 44,244,420 55,305,525 73,740,700 110,611,050 and 221,222,100, with no remainder.

Since 221,222,100 cannot be divided by just 1 and 221,222,100, 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).