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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 #1100000004864581504 2,428 digits created 2023-10-24

Value

1201108274629427904300215942476915847898670986601164655931380042653500285449429676803976288577254032376428238302765422156478188751431076643678743267562526301748963915803784773895569291062452276369568553847507576788393122272018297289363385254592560354444627370865143956703261522879430650182699601410032938857948145438413304622034688888539830284872169153168270569134191029174450330802871959162880045891226594180691079930899828792793503347649338677329589880797724251138314622188561358390990367667587171207448486555206440468573271732038676911640446328941218373423451921531453276887621061399096641485810834556583970403258936922989960747596300800802332762270938687655139290184997025603596655601054341920661615869626365545515303481972057342943251641281146571868199606763319320246031024675480091188607996120837389271441715429872854807280318855721024817552327569711406165179448668628673008171254012262567417355029139147733350797181008695611761104118439229290136107853272854295876478261956004682035674465373781218259856613745785890380398337251218583025244876716823017903787249947323123618779939181205999378428291275710615900466773214833239032665910076269831623654908680077431444227251191366438279538530590647131508268767829284652378670493305567138593278479404842908135033821631101945283366479177092272796948502342990640999121943352928824191327014687284467710770290088512731351812492512087469211121529741170837333253334211483122849053142353118657407175045344231278482591470548966910156071947494425104618663281734627921269342975865823289135358053130105804468567333933220733398849684455052986997387875924757570855384997825349514382364922741185249804768384178545396018337372167268987708486008887853153678182164074809264353850296033242749356301693635482745859184310770912412252020167711443135063775897906889648562665481407413497451398019771246366632704404387893447927933721831654022605738344352944372855137891023717453697395256865283678458605771558691795528819590027901609529641725168993111799644598135680118985232487786338198512744536425461771778836420279760372691474411653853700761266716852683636944831310064608050789755656914707437930627047904111005291717116284282905829817392548803942891243131761426121930265405556520245815627828893586229280035306200325740498144815033124722199504600750355623934229053070956233839512127696822210260362464167166018807250732338985261101547084989118686736497032508880560640916110650428702861023343830030899383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,815-digit prime (319 intermediate primes).

Certified number2,815-digit prime
Certificatedownload
Certificate chainshow step 42 of 319

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004864581504 --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":1100000004864581504},"decimal":true,"detail":2}}'