Q: Is 1,221,420 a Composite Number?

 A: Yes, 1,221,420 is a composite number.

Why is 1,221,420 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 1,221,420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 20,357 40,714 61,071 81,428 101,785 122,142 203,570 244,284 305,355 407,140 610,710 and 1,221,420, with no remainder.

Since 1,221,420 cannot be divided by just 1 and 1,221,420, it is a composite number.


More Examples

Number 1,221,4181,221,4191,221,4211,221,422
Composite? yesyesnoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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