Q: Is 105,306,135 a Composite Number?

Why is 105,306,135 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 105,306,135 can be evenly divided by 1 3 5 11 15 33 55 71 89 101 165 213 267 303 355 445 505 781 979 1,065 1,111 1,335 1,515 2,343 2,937 3,333 3,905 4,895 5,555 6,319 7,171 8,989 11,715 14,685 16,665 18,957 21,513 26,967 31,595 35,855 44,945 69,509 78,881 94,785 98,879 107,565 134,835 208,527 236,643 296,637 347,545 394,405 494,395 638,219 1,042,635 1,183,215 1,483,185 1,914,657 3,191,095 7,020,409 9,573,285 21,061,227 35,102,045 and 105,306,135, with no remainder.

Since 105,306,135 cannot be divided by just 1 and 105,306,135, 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).