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 #1100000009071047516 2,601 digits created 2026-08-10

Value

631144112179458652104197108035644673969258293866988293704798631889216811178112659246212405864406194840802686663948407396284197483472177841978346672390316886269609803376280307363168329058159808022735214071772979092557737669401738386644829956504241465945531058823279445917837711071613787527290586199781894764775781193160624074827817283150533908944573668446716958239848913329863881217190467414524317332238822727345289479570539536877824896316137172117431288914928207578647033998530151587103633683999704636551606178363929016001254227931172260292720725550311118218905182766229000114210603655224345517994069281831992191438806233771278208244282454301911322700799799759765870486305244117851494393021685666499355085374816859958830840050242564472250586596792678308721609330370265876047155911024474117098624042078018126358263582035233878334890429750974872512040892897364925517851351776625132631916817439119570252220578724941213185521841141718847539370877062506442952883684983773661017603710207415168913903795740088230539586909378636562351213448905292807068414466998041555220151092070576172882558867726012482005091187977557223950327608505427654883313927025348232038696138340000752311143792862608903115493097290734471843944926734107017424405819787688270065210069394756976437218750981688744482895109329238064007281125621422317136008991676988006282816239747557620568392763960847849520028913167726171620722872550430471997904340240049116206337516604406030451953496574039115887240915494645597009184929053207050088618074464817530342214500860215479735166311544202057422725943915367598332255698072502749690920479912131772719819684514214097612433408178549526912251846379482856731475051108996535239669018391124987958416044016330939223848420577914533003477054198915437415350260511932413149042141188255646384742711287840802407640386745925137401667547731967706630898241320311094095893153563463718640433332669361661990354524327419973107006767594748255081413547800048998735480339113084201640800777270498324017169248411534830194886521930908413406476266531554651990914405340649412361867661322805703275359981032468347034072991355529549005215589154572111997877532419849881742349216669865955095072724124861078784977133067057621617580876109211921289062919934386408932663434701678512497807927684627058739441813354264724335802575663826818164613855849383767813135983335714283351858169531672428283696474599349311921394030607626474337647779228284781545336100278571947682293860800146703990334805369590544673353430556411722613418853050596373913281577055794744330689106317071583616356749265753209988206261904410072214051424860244163042133834903
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 5 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071047516 --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":1100000009071047516},"decimal":true,"detail":2}}'