Q: Is 3,131,145 a Composite Number?

 A: Yes, 3,131,145 is a composite number.

Why is 3,131,145 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 3,131,145 can be evenly divided by 1 3 5 9 15 17 45 51 85 153 255 765 4,093 12,279 20,465 36,837 61,395 69,581 184,185 208,743 347,905 626,229 1,043,715 and 3,131,145, with no remainder.

Since 3,131,145 cannot be divided by just 1 and 3,131,145, it is a composite number.


More Examples

Number 3,131,1433,131,1443,131,1463,131,147
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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