Q: Is 1,221,075 a Composite Number?

 A: Yes, 1,221,075 is a composite number.

Why is 1,221,075 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 1,221,075 can be evenly divided by 1 3 5 9 15 25 27 45 67 75 81 135 201 225 243 335 405 603 675 729 1,005 1,215 1,675 1,809 2,025 3,015 3,645 5,025 5,427 6,075 9,045 15,075 16,281 18,225 27,135 45,225 48,843 81,405 135,675 244,215 407,025 and 1,221,075, with no remainder.

Since 1,221,075 cannot be divided by just 1 and 1,221,075, it is a composite number.


More Examples

Number 1,221,0731,221,0741,221,0761,221,077
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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