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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 #1100000008804870011 3,937 digits created 2026-05-13

Value

1959141695971610068371134798702866784741831574373033788362107048396087059133315500878993859097149968985267723818035033629255885247967728103729064599137879154022832962108205527486691655861695593964134186242296997024643824287228610467896625973877583718060024961413306929924030835034639365672289053633772121642965987998823026483912765564575744060803151119949125327678683059260242393020133855680759724282051306970753872103092509634067494224535400351235505251385948221792299400080737296759157755578618823108032841614459389412273353872124526355539801968715849358108594298617505958089627958701881929079476919054712381630990941411896475265073612663961016014541458774298286365633714032979299066971745637801484246179180502643579243386483307099912423751602587990318083029034625213947346950315049395171242078141140785964035925074210944004199467723479263521187014061622693346277384767633582468233159258541118267840272662184298529004900297769004068312690736359543301824501775194590252471355480869741444699111738836944286761544913692497752314640116761062097065342674029764306593502155703397546944285279987134338191411891181188025169405352169979668278094075719517055830606768598099333213385367064826052367849925371728183351037163496256668860648892181667210739638666898701600506765955592943538480171575999924043658148268707243930507722914757576311802182727077623541122902379272107093509842778623200822335191528123047369796212986573820806379458695749521958056973882265444709140989657348982824146807117172756339215709319832268622674201443721353097436822712585819212539840497624611366466643640679064636960903283781437199687582620723977199834042388842522638818890072571289040921022689974172757780968056265094994371498806549463404579581721287660238131159206525735771652715821674047939056196335508952194052752516683017513393582188283641423307215975121251324922761651829981569877887275504422272922281740627563432385461992926403497644275669267033498631760595607234183891484432353920508680951908029935095621665701371136028313718616386289983655387228964360556454474718092969756890357100811582553330373064075959962299086019022935849861456812392693716089720444197393818590405952268105667214156689838404492178697207012028807817715708529792689770664307878754095202189430139818882157761897150192800316716015067227539431143507094971348095443283478492914166563044239844488703354188209437940975872901948164149402774862049170988519459665225962101096688093669658059491209969694710857346428430909712011981993582412462162123706495253192956817127786417349018176195092409239645752826753268282986934187582452774176371743355641606529288624405848068825864000511914011516765583320154528819912551370271133953090635338576766183910917497125341117265826406453608286584895077762277022981405308115535329367218677422378913488166194027932708061536631578992664931844633350767443723986197579028624908325954794459695429990028581955289450409163244581144909860606610453834333221322082476694151442660642565834690199079096044588993321019583016421678985586834386398957596398317781983196325685670848550176126234670303834596450796885201386605652112909701257705122207496691409282515201551523234226894081845879233608542263475895724724300910035932067787839707929254969486209662328392938669898563708066815834313578874789060026243744910004301001085876071383230734632672414583356115916103869261576477195137241626095114710550865519228751523853381725036826020070322405060396352101971676276408669348915660892549958226358078736882792420557201455356772381218729713372850783319859379628868991716404280031201490451688708087110059905940857645589528503763066581809276395115127741132447144216057988177535874901877868417807790434986425951219571379494639919331634253409171682752988123523589667028302683550001706706468010167507164033918835913880759027119045164610803102801778710828209200934658472024622721009994353462623633829376863668243349897970263776656416652015839933037338145146286443247727006999300049265161256533
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 4,223-digit prime (282 intermediate primes).

Certified number4,223-digit prime
Certificatedownload
Certificate chainshow step 23 of 282

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804870011 --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":1100000008804870011},"decimal":true,"detail":2}}'