Factorial primes: Difference between revisions
julia example
m (→{{header|LOLCODE}}: Add missing "AN" - which seems to be optional) |
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(i.28x here would have given us an eleventh prime, but the task asked for the first 10, and the stretch goal requires considerable patience.)
=={{header|Julia}}==
<lang ruby>using Primes
limitedprint(n) = (s = string(n); n = length(s); return n <= 40 ? s : s[1:20] * "..." * s[end-20:end] * " ($n digits)")
function showfactorialprimes(N)
for i in big"1":N
f = factorial(i)
isprime(f - 1) && println(i, "! - 1 -> ", limitedprint(f - 1))
isprime(f + 1) && println(i, "! + 1 -> ", limitedprint(f + 1))
end
end
showfactorialprimes(1000)
</lang>{{out}}
<pre>
1! + 1 -> 2
2! + 1 -> 3
3! - 1 -> 5
3! + 1 -> 7
4! - 1 -> 23
6! - 1 -> 719
7! - 1 -> 5039
11! + 1 -> 39916801
12! - 1 -> 479001599
14! - 1 -> 87178291199
27! + 1 -> 10888869450418352160768000001
30! - 1 -> 265252859812191058636308479999999
32! - 1 -> 263130836933693530167218012159999999
33! - 1 -> 8683317618811886495518194401279999999
37! + 1 -> 13763753091226345046...979581580902400000001 (44 digits)
38! - 1 -> 52302261746660111176...224100074291199999999 (45 digits)
41! + 1 -> 33452526613163807108...440751665152000000001 (50 digits)
73! + 1 -> 44701154615126843408...903680000000000000001 (106 digits)
77! + 1 -> 14518309202828586963...248000000000000000001 (114 digits)
94! - 1 -> 10873661566567430802...999999999999999999999 (147 digits)
116! + 1 -> 33931086844518982011...000000000000000000001 (191 digits)
154! + 1 -> 30897696138473508879...000000000000000000001 (272 digits)
166! - 1 -> 90036917057784373664...999999999999999999999 (298 digits)
320! + 1 -> 21161033472192524829...000000000000000000001 (665 digits)
324! - 1 -> 22889974601791023211...999999999999999999999 (675 digits)
340! + 1 -> 51008644721037110809...000000000000000000001 (715 digits)
379! - 1 -> 24840307460964707050...999999999999999999999 (815 digits)
399! + 1 -> 16008630711655973815...000000000000000000001 (867 digits)
427! + 1 -> 29063471769607348411...000000000000000000001 (940 digits)
469! - 1 -> 67718096668149510900...999999999999999999999 (1051 digits)
546! - 1 -> 14130200926141832545...999999999999999999999 (1260 digits)
872! + 1 -> 19723152008295244962...000000000000000000001 (2188 digits)
974! - 1 -> 55847687633820181096...999999999999999999999 (2490 digits)
</pre>
=={{header|LOLCODE}}==
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