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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 #1100000004870655979 2,044 digits created 2023-10-25

Value

8236944224295150494304221868891423204929443630649542670032725823909345748786085610506012858776272731253040951792167266896470822452678907871274471892439531362694436413546690197744448117126972738089847328161557613623522300389074723117154112590382310591846346340764096779378635103149766357171634190368129009867228744640329879622067097930204359249735838365009202960227361049219307694811835433451259352319196297331274415206754927156481478959625104172229021860682310601496923592106620445175715969194895752023693904472133608961792164416451018526067466113511328098919523859429289659816167576966265277989426424075500355125954526112083920340054099301841132751284585553381363914329262955534028158180491385381283370307010564786051252381126019590041821069448501370434001285352957601767261910555951145055853722479860567074407688842422271113979816839023166834404145135422643735764535255415415393083991485112747501730441781096990271127892266304285518584669591436578443154688853368069567418274784864123164518160288923796093250853730150479929187180864621911777491572145346075237154088010731473427662553847488980823237966637573007859890196951559558412156481740419885711910100382824398793200528806800278489989385335303272466906536710924037483525075128239790902440783374778025360213659468981505789521356550897482996463720030509659139316497576016539563332935457924318952059993960051513170691964143540796022095647818346826966679944048967279512312115920571860593385389337744316530978865626048394260756130085801021183513993573919728060045191964973456796736480928535399168792460532992002192439563375907399558610888069152182723727418324052252499293274791757185607800081109933912787547452612989068163029210626800876223283128460720998335699269515573563001335383013121767092570368525554910300615573744546116208828175899320029444776580425339148162783111207672920268030896848811834969234941038083116134720900896540331902798792252802052650192534997228595982119760519596438783924081886642012999257061580809758423482165704969869387845247587686652227236201264782843007259988839277
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 59 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870655979 --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":1100000004870655979},"decimal":true,"detail":2}}'