Q: Is 1,221,140 a Composite Number?

 A: Yes, 1,221,140 is a composite number.

Why is 1,221,140 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 1,221,140 can be evenly divided by 1 2 4 5 10 20 61,057 122,114 244,228 305,285 610,570 and 1,221,140, with no remainder.

Since 1,221,140 cannot be divided by just 1 and 1,221,140, it is a composite number.


More Examples

Number 1,221,1381,221,1391,221,1411,221,142
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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