Q: Is 31,640 a Composite Number?

 A: Yes, 31,640 is a composite number.

Why is 31,640 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 31,640 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 113 140 226 280 452 565 791 904 1,130 1,582 2,260 3,164 3,955 4,520 6,328 7,910 15,820 and 31,640, with no remainder.

Since 31,640 cannot be divided by just 1 and 31,640, it is a composite number.


More Examples

Number 31,63831,63931,64131,642
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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