Q: Is 128,805 a Composite Number?

 A: Yes, 128,805 is a composite number.

Why is 128,805 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 128,805 can be evenly divided by 1 3 5 15 31 93 155 277 465 831 1,385 4,155 8,587 25,761 42,935 and 128,805, with no remainder.

Since 128,805 cannot be divided by just 1 and 128,805, it is a composite number.


More Examples

Number 128,803128,804128,806128,807
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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