Q: Is 155,115 a Composite Number?

 A: Yes, 155,115 is a composite number.

Why is 155,115 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 155,115 can be evenly divided by 1 3 5 9 15 27 45 81 135 383 405 1,149 1,915 3,447 5,745 10,341 17,235 31,023 51,705 and 155,115, with no remainder.

Since 155,115 cannot be divided by just 1 and 155,115, it is a composite number.


More Examples

Number 155,113155,114155,116155,117
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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