Q: Is 2,145 a Composite Number?

 A: Yes, 2,145 is a composite number.

Why is 2,145 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 2,145 can be evenly divided by 1 3 5 11 13 15 33 39 55 65 143 165 195 429 715 and 2,145, with no remainder.

Since 2,145 cannot be divided by just 1 and 2,145, it is a composite number.


More Examples

Number 2,1432,1442,1462,147
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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