Q: Is 1,560,195 a Composite Number?

Why is 1,560,195 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 1,560,195 can be evenly divided by 1 3 5 7 9 13 15 21 27 35 39 45 63 65 91 105 117 127 135 189 195 273 315 351 381 455 585 635 819 889 945 1,143 1,365 1,651 1,755 1,905 2,457 2,667 3,429 4,095 4,445 4,953 5,715 8,001 8,255 11,557 12,285 13,335 14,859 17,145 24,003 24,765 34,671 40,005 44,577 57,785 74,295 104,013 120,015 173,355 222,885 312,039 520,065 and 1,560,195, with no remainder.

Since 1,560,195 cannot be divided by just 1 and 1,560,195, 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).