factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008832255535 2,193 digits created 2026-05-28

Value

256485011834617558706342209907051716702623405934934753992807141386998136618993195020606752635267576392171881668554182344527055173710926872120575852774570348214865315739072949371719386018914421569684308325114011325314641917181687274362433644250566122693751268349587876666154542276780666318705843971671937988048073828064169166523856148138955688697580463659939779330545997910344632894404853276601595802636932402045026252141129624804132715267533778907406403921251436697657705677686658126840495025032559280377911552026111416578137076855174811089310944782932245806613612996271877421017555039136290371386601777346617374220679021955662317575330824415660709492806596268238615054162860118346512625385212938621799104735888612284108158902559731002675606849713926974969117637312200332851170988765770267069458917474156998817598132381732266026836609076245677621567568476554987749585698936666130509445846614252399996945774474452809632639370416539100066098138900338827673995017773755936710989055228879847463899640987127481847116289499673413506724221864636758011922406269011704691318703840885748498154689722436749437471968056336273167725379858489150040721740142441618591009711262744672368230533146201978669987144530453695002013154913510150291530299152760567123558688521866734337054850926460352848223382062596833353069731843331553064371919829878923794104969885765530633986650826442782429259517565409298939277975215453135763256825995020235617850144020079487142148487630921577330339995554449443768581156787455812859935317224460647830459469177185492332658779217056983865547387155300547358626015415400010674289716115015519939196681221685248465196696348028314213811275336562189887341665404380281528982618697818029059705476806916056111261232712318557339879619449395506928487286211790100385750879850969968541864511032564837083876294644841346628613430122061921358455152383821280894948042061493621117764025691366200193886757303828077025537142599337108973150695728996886644492855236507036398887485015118278996820236972312598127365132375326369322063183953438580539277512275576498919190596623750177150051351886422078205730989150142822634740470213417504006756308986353569189153792564744560159612418427372725755132540305613839
term (37^1399-5^1399)/32
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,193 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008832255535 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008832255535},"decimal":true,"detail":2}}'