Q: Is 1,186,185 a Composite Number?

Why is 1,186,185 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 1,186,185 can be evenly divided by 1 3 5 7 11 13 15 21 33 35 39 55 65 77 79 91 105 143 165 195 231 237 273 385 395 429 455 553 715 869 1,001 1,027 1,155 1,185 1,365 1,659 2,145 2,607 2,765 3,003 3,081 4,345 5,005 5,135 6,083 7,189 8,295 11,297 13,035 15,015 15,405 18,249 21,567 30,415 33,891 35,945 56,485 79,079 91,245 107,835 169,455 237,237 395,395 and 1,186,185, with no remainder.

Since 1,186,185 cannot be divided by just 1 and 1,186,185, 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).