Q: Is 1,720 a Prime Number?

 A: No, 1,720 is not a prime number.

Why is 1,720 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 1720 can be evenly divided by 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 and 1,720, with no remainder.

Since 1,720 cannot be divided by just 1 and 1,720, it is not a prime number.


More Examples

Number 1,7181,7191,7211,722
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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