Q: Is 121,555 a Composite Number?

 A: Yes, 121,555 is a composite number.

Why is 121,555 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 121,555 can be evenly divided by 1 5 7 23 35 115 151 161 755 805 1,057 3,473 5,285 17,365 24,311 and 121,555, with no remainder.

Since 121,555 cannot be divided by just 1 and 121,555, it is a composite number.


More Examples

Number 121,553121,554121,556121,557
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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