Q: Is 1,664 a Prime Number?

 A: No, 1,664 is not a prime number.

Why is 1,664 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 1664 can be evenly divided by 1 2 4 8 13 16 26 32 52 64 104 128 208 416 832 and 1,664, with no remainder.

Since 1,664 cannot be divided by just 1 and 1,664, it is not a prime number.


More Examples

Number 1,6621,6631,6651,666
Prime? noyesnono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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