Q: Is 421,830 a Composite Number?

 A: Yes, 421,830 is a composite number.

Why is 421,830 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 421,830 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 43 45 86 90 109 129 215 218 258 327 387 430 545 645 654 774 981 1,090 1,290 1,635 1,935 1,962 3,270 3,870 4,687 4,905 9,374 9,810 14,061 23,435 28,122 42,183 46,870 70,305 84,366 140,610 210,915 and 421,830, with no remainder.

Since 421,830 cannot be divided by just 1 and 421,830, it is a composite number.


More Examples

Number 421,828421,829421,831421,832
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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