Q: Is 30,553,005 a Composite Number?

Why is 30,553,005 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 30,553,005 can be evenly divided by 1 3 5 7 15 21 35 43 67 101 105 129 201 215 301 303 335 469 505 645 707 903 1,005 1,407 1,505 1,515 2,121 2,345 2,881 3,535 4,343 4,515 6,767 7,035 8,643 10,605 13,029 14,405 20,167 20,301 21,715 30,401 33,835 43,215 47,369 60,501 65,145 91,203 100,835 101,505 142,107 152,005 236,845 290,981 302,505 456,015 710,535 872,943 1,454,905 2,036,867 4,364,715 6,110,601 10,184,335 and 30,553,005, with no remainder.

Since 30,553,005 cannot be divided by just 1 and 30,553,005, 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).