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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 #1100000004881840601 1,821 digits created 2023-10-25

Value

643757056504233163203979850949419804094285190101968152092459392877017481126134908316683853471362555408838387062294230336374546863314877059540333670568458647054588929242686233924736553826733450007566986134498597740203477171750380051473589346495615309048190588685147542160688246899531327488908228173095541424453769529022183035780454872008125558182009385185588863183412105226069937126878328728852124114604049076637361482572393532246367335014361303252002484784395548396133912040458894283000815045990993237474494525754638801676112239545207453383887250799403580221906419600011768013105889754024711729859044741544345249590217780308315591488782913986047080102335503408748628433085726297041570420486387321259658405161374534736539734827454084360250570838568022409412806733820901170703218822167915518440374882400427246580450574715192223326803670455622873382932996430261251071386815859519716187446230585113613216054651395496484214842845013791427822732213592237829989162354224346749425042724863084942173430316970013150447515017139180840120400239499803949642414975246381974416073589652119352256965578751929081025044340344696562467836177094807253212713590694288915809978499028666322697246481323274189226579260690580055851881675800698168976407594885053833685649567250223624342064519504944630877705678265509091064666956028117470413886005381161473124153590735118000520447715684050266246286080345392028428490034714752896496804197371182204674126215486557205398838461184869287297049728406799710725294922690776314953268141819596514151790282045285075707197282062520727520737850791409452687823746609859139203221960042508939889105971520247318810731252118665653273549881022132666552336779402681746810199426612755090606725855731778785748937232684076937654937866414730023742127895220791862234596947875890374000990711640044876089273395911996732200633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 2,349-digit prime (259 intermediate primes).

Certified number2,349-digit prime
Certificatedownload
Certificate chainshow step 59 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881840601 --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":1100000004881840601},"decimal":true,"detail":2}}'