Q: Is 31,221,320 a Composite Number?

 A: Yes, 31,221,320 is a composite number.

Why is 31,221,320 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 31,221,320 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 60,041 120,082 240,164 300,205 480,328 600,410 780,533 1,200,820 1,561,066 2,401,640 3,122,132 3,902,665 6,244,264 7,805,330 15,610,660 and 31,221,320, with no remainder.

Since 31,221,320 cannot be divided by just 1 and 31,221,320, it is a composite number.


More Examples

Number 31,221,31831,221,31931,221,32131,221,322
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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