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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 #1100000009123519708 2,690 digits created 2026-08-31

Value

40669239792405050355033874488092551051789882904887935887552053348385619860431412861965207003390404571766978658702891318966909826378040216804272355934995339928363739650342428505550976001343510468371775094842807743161105923074790981269750941535396168598606540419106074242396237068359451547339171454115542894664884390690545044698563605129600238446699845973665748966570011078365454454187465963241967809387775311441070693417014611162816958176786872304139804137292094913800467822576157445007073462926520066393339741030090108172586518528918897479193476124389480861795258172874113776153051551111507279009677349210340568046948528457594650488590628378711308941162660219366479961049412998795372503738719631060807460123742052511021275686501415466861902576087739422986061055776829794461822681059019990305081151227376878506500708890534257025505725998014122713625526731288002367030063515648142119927133978433164547605818312367480951047097191496766679388655457262610288428650536046548039031758191172897711506144670661425302025809986076950022076844853057272784894810172221499010874534839136028049792684303692920471238395740669756435347826278877717245541730546076875022563536269777304182339951874741518855627418622493217716320991868507860652923283943290011185454195699238440022802120883148239202654858425436439674638429196261345172851187601929280870794028325986648713087038787495052663657536594623726806052157342669098712718762090594485040899552675750246493103243899224751801854020199947834565395135385972004826179708413435733463648954140921316603816243980011577710964481618285688134789901706130422096756531265817128777338020867496322423357392475278077229580345955927327444407760054851673207563974329352373252709221378947446609213784964816748005792466635038717523948880175167694972762281744830509591110889304795609132166691880497690566541846362834622285411918680191639714432880609037831530224817740129061791137300097042690749211514108201696589969243402105679641871131469307794484987015559982771398293844634029022197282130865383512075827161764555314268429091554312985970930974393478866428047711811051145287791857272424724249510957961338707762152028707665328380550648504948227103361745965006568664875808202847441300449360952968089439010377376528137643365284847158058207516500150465577670903471498346252557936516955585565399487076872962217713369267044947678328966693463182295945794280753294805441542909728253931192959728643414453732426185624255631013293005371308998250725837046424298957056242169607029490381411686771615242385451762281580005339249901523142269925946100159946269248114207279639763585015786974030359300911209016570048754646174924407876130250315000087573207700077897845479984641058579277481355419089
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 3,062-digit prime (314 intermediate primes).

Certified number3,062-digit prime
Certificatedownload
Certificate chainshow step 35 of 314

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123519708 --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":1100000009123519708},"decimal":true,"detail":2}}'