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 #1100000008787409406 2,791 digits created 2026-05-03

Value

1336771415204286586475981882387962207510866362648907483881393869806746591567856003145749490708519379955151148923364820160503473726498934070043209438814047578265424213914428567237974805471633337048363049283333926477925236720117335281160638497428459670457087296745582148042345636719286470202297592903576903316270221667012925800968944351287722816614230180999267626917630083903920511651065124368206980714355602441729567297755953867489751789568910839763892166759800530548904219088206337924374494288675332312308219536062227455174832243336648590852654302737775148287122328645906433660483167350742007713620746820723418015053083942718850487125878328285671325239839760952418634431252352592029902863979498502146325805481131314835163518415220696358818342047204693582171497538542687680113629982626471045362585410324320749855272297263846819465270676534233365170707891687546349339591320452277730547998665466311639154325952431901927497893857932728904081286216772559959691209813552087397105262683986539200554078935587151138839915356722549093738501569353593143885339614784659868541958950539138287330418186403240875869684071817896593903812384480172167669529891767788869973373619394706959101374772924301294925087334837285120418543114929428631969487112089734471705015176808947534910360296603539166739439724696544255636455863242501486856625921900633082784334517807366844455824370697096243003057256424681742485277915525333335235800368505506328046427995678872685263360246222418388192620025518762848327355746625735006822516172166378835144771990570125260037461804994917296726018362354769644722692085607605461469506372061389477397100736871608901958499236654110018058557715031624970323556282317046129188413778074918694193723972880899478104413408993492268670756049331437781163476792282435767246601390779517308181460753409497479330304390068247425930528569929369144972773767069555911212912731534194954758782337955243585585233264078432131337642605930359431847567221544437413279563206422132854866886127377518750969214729047681237318446227224737037976902956700421254936701233069023432706338923567993651166683964992036592177123654174668505320269812317714066226142998371257855552605242616443926382391721296571639420917975488789851226410797854543464123481688479373956533118884031011092430067886969501937792921090173675598493593761237384312930990623469511469884130461571161930934888481802241233261188950652089719463332254840686423204755414815527022451326916048746518013308952971118721746741695433596292988658678037220813932265303531624660735059912695595561155755123902187922756282421028078113677457349599900773898831319517542248044602895193651142400407382927719472341481215526219387367956484131518181773166054562178364053516178297723441784187328307828333207414715264948464406813549302825029386117416455090365214239780003592658611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 28 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409406 --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":1100000008787409406},"decimal":true,"detail":2}}'