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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 #1100000008790791009 3,278 digits created 2026-05-05

Value

35381935367973545634302463174168871646443590512377302653774186062798374420694401701670521805195061454078399034742589582917503702895758241636214012200684768134061355625367706783535196812690721240013659008086687144476688905270828056920729772626019057108252606953838360602130735624270306743584045212316774575409707511824179417275372796803549459480164040020578194163467153244149054619282713936698418282607862453935117088461977966601663036767917076564703489871119657360910549519734207170779731634787757285124204063361282405474516038963037371031659527222259631383768128849726575142680217073533121487181122085316261938664029810972727099261496029380805208342737670410115807401504313144867756858224726227753685362733595920572422924504177073705653751509092419933906937584821286934754192011255498457409813099267024593050949313225177795322122012016162239868767723520621105080968587696632030332307323339033785143891356795915236003706887512111141920058819325259709379204004297524695900052643890562930436235479994369132231751487239453348105836817134285429954185591795942041571346035203988618455891850794156743410621793601456139639920863939605833983442974628854156846275887741961590301268655700636432966672330341047781143805726240825042657077491773656842132231584824550273240557444350535098268798699487019653568372411748454880144242773601546442335167839936779265610474688312733408496573829455747561883298965160327122918295170546197252778861211249138780159683768749111107642223437453550997782678198704742072822592844843731105929381867431572038654624221087148741553308952904280956687997456788806812061033408276375593224375216201416383440573527890923812690533603004985314155599838218878610714716762800177737795426657501618512785764303227044639532997621801817051823566877636819123457371826373602974478524053291759694363699084097889454066779726372155080752079998380000565471261697278421966402766456742320639736745186031683127235988561449083863217675660288399185627741569358681611022824740732653730026825731547553031324819329357416091592417952009807047312161296971352339914665686608388875435071926730421905945328764352987764666249428851484498841904178508186838015947701142505424534757173466716620889588675862713044470924967787958798627351916139818395690362708948253912922209390142093651373795154660879794439959269292131078996618956022887506805364679045620166939015565104627320007735314065350275085302983855560948709241859395936522827868029276566324591398696764094448714963617294714323928325264895378434134439780187381111299975816093793988522476558957096676033292213819581702690702422089086391144941160358261581984643137892039427925599585370004150999298113688093628883234789315428262609840959734173552868004875328790073285591252706686698139756668226654309095865511229348868550173542447874441440439448302114127781998452629100824904684238427388694904159524880881851485973626153675795016883119892224780576880629772780565220952477006107762686078186199579756616953194129507190436546580852890745392612096217404806547732302060003871766541658239513320087384180983199949180835577347970582338885842531961033121573881993558739075662574061812002430095441598538077340759663914517441839139066912795851320701624739073646155764028871621379871708076471234063747271510502512951920622930431486865242680603818871997951803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 3,331-digit prime (216 intermediate primes).

Certified number3,331-digit prime
Certificatedownload
Certificate chainshow step 5 of 216

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790791009 --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":1100000008790791009},"decimal":true,"detail":2}}'