Q: Is 729,729 a Composite Number?

 A: Yes, 729,729 is a composite number.

Why is 729,729 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 729,729 can be evenly divided by 1 3 7 9 11 13 21 27 33 39 63 77 81 91 99 117 143 189 231 243 273 297 351 429 567 693 729 819 891 1,001 1,053 1,287 1,701 2,079 2,457 2,673 3,003 3,159 3,861 5,103 6,237 7,371 8,019 9,009 9,477 11,583 18,711 22,113 27,027 34,749 56,133 66,339 81,081 104,247 243,243 and 729,729, with no remainder.

Since 729,729 cannot be divided by just 1 and 729,729, it is a composite number.


More Examples

Number 729,727729,728729,730729,731
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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