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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 #1100000009126951092 2,845 digits created 2026-09-01

Value

9442675999482822214090182412358183703629616959659814812188125670225839241271821968500335379873381798260771997344205272491821495260533846598854525990264614020406965438511127853573641242202193478981889832224673405254050629348708004943949920325503860441669531148069137583960061574523702863885009631840058382079196214496207595845735060512671756668848117351825596933110413666358601044587463209088399646243517073489994199940288756069390682409393949090087687599946991532140400870240813481372303513698394255303051487113239878529720237769639782523450916076370004420727837292781974914384232181642461407296979955161954894790246771446173465122603522712104080249335159332582505357213679886699217784186744635632988169835020675658923621083143342525173554014162744638098423535148283359291018032719399423994478022203616943391084607946869974264927362970810394657673615972383144241807312157289149148810851307495294247781288282326363691783843858985518041963567352099175095723809928837922597819935860596008551838996341915372518312689270915223928242179299840901345474132408018625052955402953930513055600829149143866921736716373201477949385952624291943466864369794150270245470935555614491331625683383772835968200507960684528169859107934126083221120848288955552759805073612408998817866534261021684511133619932697963167129579536723300794120399846676889927070704097827567731246037825039597759223208258421576396839518737199484413339538390090874965885152509693861634174989655308994812993010208608256554595470526144662767644733491258320051842922178480543236321046894417468227302652555202150561779306535990311046213889091365806101570897481813000349626957769144266987955461176848199118680242859511009132350117889665075602522394745436742187912155209812003335621441447165668710981190126561520469743061238268455129028565536478175780473303590030586091003737436514020601532751065539187539597277923875457145838165348671171716650832912952888319317105775089104550432079212505481640391625073269041811697037860733166527980708489982168815261324199184026047334910170455580405791778483880110752500024625367378863035554870513738109917545803945998371662942070406537679727317475448375245179113874094540299367199078910126638930968877961328480522772619406243575108443173214115041500203216869565144147028585599746515996421056236635633498697753695177907978495030462902809585247353171431224817288787382229681709557985625262181586757574152975192042463536598485699016820404474233834058448418989759456181316319746896157399224126800834409630240464627282573395924551614140800915802455740940625368890422636091436986075309483620206883733165004274440785751425366409821221028476735420905513568991717756597978615552664109253638188276002746606643097313229392551146371116269175524781535459603771904666047101191173137191946027552252690679805882153688733579178900103957652953608660098436583022011701165295916093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 3,117-digit prime (302 intermediate primes).

Certified number3,117-digit prime
Certificatedownload
Certificate chainshow step 28 of 302

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126951092 --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":1100000009126951092},"decimal":true,"detail":2}}'