Q: Is 145,145 a Composite Number?

 A: Yes, 145,145 is a composite number.

Why is 145,145 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 145,145 can be evenly divided by 1 5 7 11 13 29 35 55 65 77 91 143 145 203 319 377 385 455 715 1,001 1,015 1,595 1,885 2,233 2,639 4,147 5,005 11,165 13,195 20,735 29,029 and 145,145, with no remainder.

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


More Examples

Number 145,143145,144145,146145,147
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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