RosettaCodeData/Task/Perfect-numbers/Picat/perfect-numbers-3.picat
2023-07-01 13:44:08 -04:00

22 lines
675 B
Text

go3 =>
ValidP = [2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607,
1279, 2203, 2281, 3217, 4253, 4423, 9689, 9941, 11213,
19937, 21701, 23209, 44497, 86243, 110503, 132049, 216091,
756839, 859433, 1257787, 1398269, 2976221, 3021377, 6972593,
13466917, 20996011, 24036583, 25964951, 30402457, 32582657,
37156667, 42643801, 43112609, 57885161],
foreach(P in ValidP)
printf("prime %w: ", P),
PF = perfectf(P),
Len = PF.to_string.len,
if Len < 80 then
println(PF)
else
println(len=Len)
end,
if Len >= 100_000 then
fail
end
end,
nl.