tables > factorial > f2+1

n!! + 1

Table

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(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 720: \[720!!+1\] 9967 × 1266781 × 5789801107889<13> × [127966797534389712776001903447761726831626235485323405025690528450395880762773534138498171643318926415419509499332629132810037380189658026563609054507158037130902413791738964913311450688168176526472573792088971905291765120247339582328854372747291102736112336839251215788307740150720116335095185904579551407554321204144175418941311671091838404150680751641081473730902988084517547177974695011550433941013431159467102481472164647204764027481010071374992249978966553960478812741291120391914419713186907684222693250481758781750649349407348318805054002578671755268581773972963138781538135636764823308551855564631745229425595211644093872790806695050737995100894606991449567357076198000598824518140407945637407331330833370372495852038704192183016469677435766068202067603766846386797535931968333118018474438177546055983068111877792837745549438599866749414539467<852>]

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