Q: Is 1,280 a Prime Number?

 A: No, 1,280 is not a prime number.

Why is 1,280 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 1280 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 and 1,280, with no remainder.

Since 1,280 cannot be divided by just 1 and 1,280, it is not a prime number.


More Examples

Number 1,2781,2791,2811,282
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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