Q: Is 1,556,730 a Composite Number?

Why is 1,556,730 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 1,556,730 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 353 441 490 630 706 735 882 1,059 1,470 1,765 2,118 2,205 2,471 3,177 3,530 4,410 4,942 5,295 6,354 7,413 10,590 12,355 14,826 15,885 17,297 22,239 24,710 31,770 34,594 37,065 44,478 51,891 74,130 86,485 103,782 111,195 155,673 172,970 222,390 259,455 311,346 518,910 778,365 and 1,556,730, with no remainder.

Since 1,556,730 cannot be divided by just 1 and 1,556,730, 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).