Q: Is 121,121,220 a Composite Number?

Why is 121,121,220 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 121,121,220 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 23 30 33 44 46 55 60 66 69 79 92 101 110 115 132 138 158 165 202 220 230 237 253 276 303 316 330 345 395 404 460 474 505 506 606 660 690 759 790 869 948 1,010 1,012 1,111 1,185 1,212 1,265 1,380 1,515 1,518 1,580 1,738 1,817 2,020 2,222 2,323 2,370 2,530 2,607 3,030 3,036 3,333 3,476 3,634 3,795 4,345 4,444 4,646 4,740 5,060 5,214 5,451 5,555 6,060 6,666 6,969 7,268 7,590 7,979 8,690 9,085 9,292 10,428 10,902 11,110 11,615 13,035 13,332 13,938 15,180 15,958 16,665 17,380 18,170 19,987 21,804 22,220 23,230 23,937 25,553 26,070 27,255 27,876 31,916 33,330 34,845 36,340 39,895 39,974 46,460 47,874 51,106 52,140 54,510 59,961 66,660 69,690 76,659 79,790 79,948 87,769 95,748 99,935 102,212 109,020 119,685 119,922 127,765 139,380 153,318 159,580 175,538 183,517 199,870 239,370 239,844 255,530 263,307 299,805 306,636 351,076 367,034 383,295 399,740 438,845 478,740 511,060 526,614 550,551 599,610 734,068 766,590 877,690 917,585 1,053,228 1,101,102 1,199,220 1,316,535 1,533,180 1,755,380 1,835,170 2,018,687 2,202,204 2,633,070 2,752,755 3,670,340 4,037,374 5,266,140 5,505,510 6,056,061 8,074,748 10,093,435 11,011,020 12,112,122 20,186,870 24,224,244 30,280,305 40,373,740 60,560,610 and 121,121,220, with no remainder.

Since 121,121,220 cannot be divided by just 1 and 121,121,220, 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).