| slovo | definícia |
pseudoprime
(foldoc) | pseudoprime
A number that is probably a prime number, as
determined using statistical methods.
A backgammon "prime" is six consecutive points that are "made"
(each has two or more pieces of same colour). A pseudoprime
might then describe six consecutive points, five of which are
made which, like the mathematical concept, is often good
enough.
[Jargon File]
(2020-11-21)
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pseudoprime
(jargon) | pseudoprime
n.
A backgammon prime (six consecutive occupied points) with one point
missing. This term is an esoteric pun derived from number theory: a number
that passes a certain kind of “primality test” may be called a pseudoprime
(all primes pass any such test, but so do some composite numbers), and any
number that passes several is, in some sense, almost certainly prime. The
hacker backgammon usage stems from the idea that a pseudoprime is almost as
good as a prime: it will do the same job unless you are unlucky.
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