Q: Is 17,820 a Composite Number?

 A: Yes, 17,820 is a composite number.

Why is 17,820 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 17,820 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 270 297 324 330 396 405 495 540 594 660 810 891 990 1,188 1,485 1,620 1,782 1,980 2,970 3,564 4,455 5,940 8,910 and 17,820, with no remainder.

Since 17,820 cannot be divided by just 1 and 17,820, it is a composite number.


More Examples

Number 17,81817,81917,82117,822
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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