Q: Is 155,155 a Composite Number?

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

Why is 155,155 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 155,155 can be evenly divided by 1 5 7 11 13 31 35 55 65 77 91 143 155 217 341 385 403 455 715 1,001 1,085 1,705 2,015 2,387 2,821 4,433 5,005 11,935 14,105 22,165 31,031 and 155,155, with no remainder.

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


More Examples

Number 155,153155,154155,156155,157
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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