Q: Is 87,639,720 a Composite Number?

Why is 87,639,720 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 87,639,720 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 101 105 120 140 168 202 210 280 303 404 420 505 606 707 808 840 1,010 1,033 1,212 1,414 1,515 2,020 2,066 2,121 2,424 2,828 3,030 3,099 3,535 4,040 4,132 4,242 5,165 5,656 6,060 6,198 7,070 7,231 8,264 8,484 10,330 10,605 12,120 12,396 14,140 14,462 15,495 16,968 20,660 21,210 21,693 24,792 28,280 28,924 30,990 36,155 41,320 42,420 43,386 57,848 61,980 72,310 84,840 86,772 104,333 108,465 123,960 144,620 173,544 208,666 216,930 289,240 312,999 417,332 433,860 521,665 625,998 730,331 834,664 867,720 1,043,330 1,251,996 1,460,662 1,564,995 2,086,660 2,190,993 2,503,992 2,921,324 3,129,990 3,651,655 4,173,320 4,381,986 5,842,648 6,259,980 7,303,310 8,763,972 10,954,965 12,519,960 14,606,620 17,527,944 21,909,930 29,213,240 43,819,860 and 87,639,720, with no remainder.

Since 87,639,720 cannot be divided by just 1 and 87,639,720, 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).