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 #1100000009008077457 2,303 digits created 2026-07-27

Value

89120554358357842435710850357489409689230519368474678625737211926896440392600983435582578973263511757647571071121284636107044633713771315245348715032560275463504086382230930326329675358054484267246319926127751543150608616770619751397256107580412279914775184262979059334256844414255993249726156567801721639644510076243008336457119994725492808264186389311017418478589877318831120627936254183182950406984324814561207734583054829992842312560389792507873697027599504713933848895701293725774201493054922962924993855362282784824013320474680822290921402631844521104924041432343266636955856644374681264054357127751528573008036845654800844515450533339943628427820666291302922828300259166567847128299323253964674102697516456535305001507250741608279812487384539732491798631692419004068113820421457634092689289558721243082502574432649882649452234268570642386540209283008209332242379489143723290032103242198984918399207614110380050146924731553390328900895552995559812697529112014935703382336653284147832269676746361906192992439562281342837417987779669452041414124838182090938088522183795053771787863858011282360190453187404956286652435323812215445341021946904287116219551272449286984545440648597190974098370189008738555427942653099312834225215759584703926861617564125902292269993700367503913611400219582414176660914301323734351001635854505539788429342003220666878924362206647066119155349690215286832241041838033846310266446642826544390476327946799821453557987314598326550407649779194168960483398656257621842365274131354212209469717744292569384836647304800125508998426703469277010908655349931085281242804206571081089132944603697309531899534119821238821160350460695890946615128781559592208830486523043203569781628987938385620238212248095443813457080609018592488262865445758311604153205728140790550616677188430663386950968654720971693712949711605721381712582145093432970478197129718487633831999334969789305126890659871275494833187211407949245551060582655251082673885413499689401811432307423404352524356461533458458198010186129505279664878701172749564708268575541232782930857882658532524586181183485547298690916407477378133394179736472281667843460858052175280339970716978446133701066076611511343569116086875988035966647475375551558886184515980006082361880172972223819285575086208452122438217202216037549078464508056639983
term 3865^642-642
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,303 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:1100000009008077457 --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":1100000009008077457},"decimal":true,"detail":2}}'