Q: Is 647,010 a Composite Number?

Why is 647,010 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 647,010 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 63 65 70 78 79 90 91 105 117 126 130 158 182 195 210 234 237 273 315 390 395 455 474 546 553 585 630 711 790 819 910 1,027 1,106 1,170 1,185 1,365 1,422 1,638 1,659 2,054 2,370 2,730 2,765 3,081 3,318 3,555 4,095 4,977 5,135 5,530 6,162 7,110 7,189 8,190 8,295 9,243 9,954 10,270 14,378 15,405 16,590 18,486 21,567 24,885 30,810 35,945 43,134 46,215 49,770 64,701 71,890 92,430 107,835 129,402 215,670 323,505 and 647,010, with no remainder.

Since 647,010 cannot be divided by just 1 and 647,010, 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).