Q: Is 420,540 a Composite Number?

 A: Yes, 420,540 is a composite number.

Why is 420,540 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 420,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 163 172 215 258 326 430 489 516 645 652 815 860 978 1,290 1,630 1,956 2,445 2,580 3,260 4,890 7,009 9,780 14,018 21,027 28,036 35,045 42,054 70,090 84,108 105,135 140,180 210,270 and 420,540, with no remainder.

Since 420,540 cannot be divided by just 1 and 420,540, it is a composite number.


More Examples

Number 420,538420,539420,541420,542
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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