Q: Is 3,128,230 a Composite Number?

Why is 3,128,230 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 3,128,230 can be evenly divided by 1 2 5 7 10 14 23 29 35 46 58 67 70 115 134 145 161 203 230 290 322 335 406 469 667 670 805 938 1,015 1,334 1,541 1,610 1,943 2,030 2,345 3,082 3,335 3,886 4,669 4,690 6,670 7,705 9,338 9,715 10,787 13,601 15,410 19,430 21,574 23,345 27,202 44,689 46,690 53,935 68,005 89,378 107,870 136,010 223,445 312,823 446,890 625,646 1,564,115 and 3,128,230, with no remainder.

Since 3,128,230 cannot be divided by just 1 and 3,128,230, 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).