Q: Is 165,165 a Composite Number?

 A: Yes, 165,165 is a composite number.

Why is 165,165 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 165,165 can be evenly divided by 1 3 5 7 11 13 15 21 33 35 39 55 65 77 91 105 121 143 165 195 231 273 363 385 429 455 605 715 847 1,001 1,155 1,365 1,573 1,815 2,145 2,541 3,003 4,235 4,719 5,005 7,865 11,011 12,705 15,015 23,595 33,033 55,055 and 165,165, with no remainder.

Since 165,165 cannot be divided by just 1 and 165,165, it is a composite number.


More Examples

Number 165,163165,164165,166165,167
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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