Q: Is 40,005 a Composite Number?

 A: Yes, 40,005 is a composite number.

Why is 40,005 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 40,005 can be evenly divided by 1 3 5 7 9 15 21 35 45 63 105 127 315 381 635 889 1,143 1,905 2,667 4,445 5,715 8,001 13,335 and 40,005, with no remainder.

Since 40,005 cannot be divided by just 1 and 40,005, it is a composite number.


More Examples

Number 40,00340,00440,00640,007
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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