Q: Is 155,445 a Composite Number?

 A: Yes, 155,445 is a composite number.

Why is 155,445 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 155,445 can be evenly divided by 1 3 5 15 43 129 215 241 645 723 1,205 3,615 10,363 31,089 51,815 and 155,445, with no remainder.

Since 155,445 cannot be divided by just 1 and 155,445, it is a composite number.


More Examples

Number 155,443155,444155,446155,447
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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