Q: Is 3,105,135 a Composite Number?

Why is 3,105,135 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 3,105,135 can be evenly divided by 1 3 5 9 11 15 17 27 33 41 45 51 55 81 85 99 123 135 153 165 187 205 255 297 369 405 451 459 495 561 615 697 765 891 935 1,107 1,353 1,377 1,485 1,683 1,845 2,091 2,255 2,295 2,805 3,321 3,485 4,059 4,455 5,049 5,535 6,273 6,765 6,885 7,667 8,415 10,455 12,177 15,147 16,605 18,819 20,295 23,001 25,245 31,365 36,531 38,335 56,457 60,885 69,003 75,735 94,095 115,005 182,655 207,009 282,285 345,015 621,027 1,035,045 and 3,105,135, with no remainder.

Since 3,105,135 cannot be divided by just 1 and 3,105,135, 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).