Q: Is 31,230,870 a Composite Number?

Why is 31,230,870 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 31,230,870 can be evenly divided by 1 2 3 5 6 10 11 15 17 19 22 30 33 34 38 51 55 57 66 85 95 102 110 114 165 170 187 190 209 255 285 293 323 330 374 418 510 561 570 586 627 646 879 935 969 1,045 1,122 1,254 1,465 1,615 1,758 1,870 1,938 2,090 2,805 2,930 3,135 3,223 3,230 3,553 4,395 4,845 4,981 5,567 5,610 6,270 6,446 7,106 8,790 9,669 9,690 9,962 10,659 11,134 14,943 16,115 16,701 17,765 19,338 21,318 24,905 27,835 29,886 32,230 33,402 35,530 48,345 49,810 53,295 54,791 55,670 61,237 74,715 83,505 94,639 96,690 106,590 109,582 122,474 149,430 164,373 167,010 183,711 189,278 273,955 283,917 306,185 328,746 367,422 473,195 547,910 567,834 612,370 821,865 918,555 946,390 1,041,029 1,419,585 1,643,730 1,837,110 2,082,058 2,839,170 3,123,087 5,205,145 6,246,174 10,410,290 15,615,435 and 31,230,870, with no remainder.

Since 31,230,870 cannot be divided by just 1 and 31,230,870, 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).