undefined | Better HN

0 pointsawwaiid2y ago0 comments

Two when you include -2, which I certainly think we should in this circumstance.

0 comments

Are we including it just to poke the bear? Prime numbers are typically defined as numbers with no positive divisors other than one and the number in question.

TeMPOraL2y ago

A definition which marks 1 as being prime :).

tuukkah2y ago

This thread started with AI code whose correctness of is_prime no-one has questioned so far :-D

  -1 True
  0 True
  1 True
  2 True
  3 True
  4 False

1 more reply

squeaky-clean2y ago

Negatives are not prime.

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