Q: Is 15,631,770 a Composite Number?

Why is 15,631,770 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 15,631,770 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 67 70 77 101 105 110 134 154 165 201 202 210 231 303 330 335 385 402 462 469 505 606 670 707 737 770 938 1,005 1,010 1,111 1,155 1,407 1,414 1,474 1,515 2,010 2,121 2,211 2,222 2,310 2,345 2,814 3,030 3,333 3,535 3,685 4,242 4,422 4,690 5,159 5,555 6,666 6,767 7,035 7,070 7,370 7,777 10,318 10,605 11,055 11,110 13,534 14,070 15,477 15,554 16,665 20,301 21,210 22,110 23,331 25,795 30,954 33,330 33,835 38,885 40,602 46,662 47,369 51,590 67,670 74,437 77,385 77,770 94,738 101,505 116,655 142,107 148,874 154,770 203,010 223,311 233,310 236,845 284,214 372,185 446,622 473,690 521,059 710,535 744,370 1,042,118 1,116,555 1,421,070 1,563,177 2,233,110 2,605,295 3,126,354 5,210,590 7,815,885 and 15,631,770, with no remainder.

Since 15,631,770 cannot be divided by just 1 and 15,631,770, 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).