Q: Is 31,221,220 a Composite Number?

 A: Yes, 31,221,220 is a composite number.

Why is 31,221,220 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 31,221,220 can be evenly divided by 1 2 4 5 10 20 479 958 1,916 2,395 3,259 4,790 6,518 9,580 13,036 16,295 32,590 65,180 1,561,061 3,122,122 6,244,244 7,805,305 15,610,610 and 31,221,220, with no remainder.

Since 31,221,220 cannot be divided by just 1 and 31,221,220, it is a composite number.


More Examples

Number 31,221,21831,221,21931,221,22131,221,222
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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