Q: Is 30,615,585 a Composite Number?

Why is 30,615,585 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 30,615,585 can be evenly divided by 1 3 5 7 11 13 15 21 33 35 39 55 65 77 91 105 143 165 195 231 273 385 429 455 715 1,001 1,155 1,365 2,039 2,145 3,003 5,005 6,117 10,195 14,273 15,015 22,429 26,507 30,585 42,819 67,287 71,365 79,521 112,145 132,535 157,003 185,549 214,095 291,577 336,435 397,605 471,009 556,647 785,015 874,731 927,745 1,457,885 2,041,039 2,355,045 2,783,235 4,373,655 6,123,117 10,205,195 and 30,615,585, with no remainder.

Since 30,615,585 cannot be divided by just 1 and 30,615,585, 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).