Q: Is 780 a Prime Number?

 A: No, 780 is not a prime number.

Why is 780 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 780 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 and 780, with no remainder.

Since 780 cannot be divided by just 1 and 780, it is not a prime number.


More Examples

Number 778779781782
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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