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 #1100000008942579720 2,453 digits created 2026-07-06

Value

42762323631063990222970064764934305673814019277785160669085099495604674491981638298125199455004814048697736919581169078035367817125658528714638305505587665101291190567405741303539748886966364075761596656020040529627485410664540892480339854144200573016628796488650774545903520865852811514336306155955377948679827892354614865076845648825800930457558441838587208511956030371492652337834774296490476187514199584173193947005162449520795330278013875921858317074222034337313469658531169572769280508738382915262698217937038549917412258560143381305108739856535231779370927036881221953924659953907175093363283455576924313074471885402252779952007714545252282075339825494386548467429962804718337607261037524230215932345795487785977266978955708894922948327299551893706009008073051636075028881943304078953368662123834815927933276161115935293828467317026490041890026461869372872361104761875394070262013678114952301213841923276737124867003186204651997175149284296235129977397548741266109745282008462287104523576287603285807371591494938316575641292001871273757521876165119737453460889461817688819037906503349109580608976250517902709453713541692922793842083856893863220929065491441244424828406091566902743836662676912929583332532114977225463409160104914274783826906378275658956494386692287039774703615252835201800469423752779310060447869154383741384969491484599682272358040574388483617148453821714689034124560686450467397356060628745651234038002449345545937786585588791592185605009026351371844222101032954105218581559930998945697604525877091736858834790925057277393363850485469593535530045301915025476156788928025798753885098808058296436027128468979200112523068274135976097315194324796012947562522417713290985198457251119697264778489515784287950302826165861087647587608110170372340977529432230503383025923230501797716756007775881972209079073971498711033810146422877900112736847402588604698621063638109790708635949202995641473712344213064875836713787687978965079887551330414543628463230491775566646535505477886491372948790829008769596912400580756333915425173866525870659777740547630881403228028052091347354972075866160329060813541881299057901497847046778300900881285040821257460255902999181176274409046398370333371145545903239120142053386598118574148433710980762023180330120372363680016303030903485742095780469915737207413970624729983883100668466818459424141283907042131169667728408779970640049069560190327171057913302030001991331813419414413591872903315130737577226733753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 26 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942579720 --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":1100000008942579720},"decimal":true,"detail":2}}'