Q: Is 661,720 a Composite Number?

 A: Yes, 661,720 is a composite number.

Why is 661,720 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 661,720 can be evenly divided by 1 2 4 5 8 10 20 40 71 142 233 284 355 466 568 710 932 1,165 1,420 1,864 2,330 2,840 4,660 9,320 16,543 33,086 66,172 82,715 132,344 165,430 330,860 and 661,720, with no remainder.

Since 661,720 cannot be divided by just 1 and 661,720, it is a composite number.


More Examples

Number 661,718661,719661,721661,722
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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