Q: Is 821,240 a Composite Number?

 A: Yes, 821,240 is a composite number.

Why is 821,240 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 821,240 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 419 490 838 980 1,676 1,960 2,095 2,933 3,352 4,190 5,866 8,380 11,732 14,665 16,760 20,531 23,464 29,330 41,062 58,660 82,124 102,655 117,320 164,248 205,310 410,620 and 821,240, with no remainder.

Since 821,240 cannot be divided by just 1 and 821,240, it is a composite number.


More Examples

Number 821,238821,239821,241821,242
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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