Q: Is 128,905 a Composite Number?

 A: Yes, 128,905 is a composite number.

Why is 128,905 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 128,905 can be evenly divided by 1 5 7 29 35 127 145 203 635 889 1,015 3,683 4,445 18,415 25,781 and 128,905, with no remainder.

Since 128,905 cannot be divided by just 1 and 128,905, it is a composite number.


More Examples

Number 128,903128,904128,906128,907
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 128,905:


Ask a Question