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 #1100000009067906471 2,504 digits created 2026-08-10

Value

26985199984302455572754960698319411264938643913843815532859721511640639976544322304038049802878549931072411833988919284599608538002447859653535806981651734727917326566779155682478973765944521408473023950136116394006150596808831277261968953868582930811611317061877440100847769937517561009529840089704194936144766541852508117852770886451540121883142561074730539631550796295114029226541379531795317320261834083054608253237622943813142310189422616931333368512381513627316838105958793701615650808676169228391416631492781485940048258977580783619256237546046038144148495693337557196383229600536786495439053453536028564865439061154292927970608883646038983026884858160589504168703380727228977441307475213484722223281954472694549964422545547364866384284963706210207737568072119595966224477115130969867585685462760412410721623135360608763483379334716024049161341454369189090937152842234880481941265057973384053181210287398762279650431037343675331400194196599089822883023961320019415772371202502521328815283498695115553125787852234290696327429643458028600254689511883149268909114965059200777612360587357549516504849040875001660163582718152959494827742083035966041744765748989501700962698592081580952062343017795299371689120773750459086469621263147506711750776922715305129448880282682996811296285459501847194675817363021881115575443860674697350132946955767526546400563221185134152803097256226565360342844205077395647490467811806388544951171260980336960891946693311182790416136551168867479141054032494000662463269496845527243089186489078226228783953717236518848064424554994270784091240485716005082558294579886131415129039515678972538318523709270178597635230671083907612372425679809911158784817506998978538307535165216038026286368618682591201974971247398066731526202323797703869592186193422358396177868266188521457005082005247473022358426454298992418211957183389469339566627848561476642069074893789476961911564613233979512497340371074213216498488360683321725398030753675075988000608863022597061363448729022594965556220795351356946208477768803791042399331878610577002762191286669158672090817437219605528026062636952227222815399964384758266197560044829011912486253836549954600891261971721682569843345424113934185881008233177585999898064427445435741695489721578517852077917656784573611423217604479069846304774856912126522052663121182419561631544201843465619928406611409593547330931603122521695192887187547001417030803569368496162153988403943071789422125211908478038261905449028497965224848176533368221700563040444399310631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,927-digit prime (222 intermediate primes).

Certified number2,927-digit prime
Certificatedownload
Certificate chainshow step 32 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067906471 --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":1100000009067906471},"decimal":true,"detail":2}}'