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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 #1100000004871805661 2,131 digits created 2023-10-25

Value

5450011724061117101431879768797441298857012687410883701742684388109139614512635234806112354455659815329575650937478319278652685322718550951610451870442705231892648063140949403371538097174138511199681329048747444045113552987060464642732319507853784516880597912797238677691069748504665210600358686084391131238343051650878849681882321766560705849674267529913278621364038038098345676448828117433706604607401662829712246662073166259265169050297743212876433320671746908315104876996712567854898015011702504982990037058194316185833402815880399905286772133247776192077536805084596102066986124493209166080166801827661989403065039019468853107974408849575917004369069572506887158821526612268357549008536741079150092254163272875077209580491320712775084716916457891575317354029782573121178967417599524757657286840364574330301661025651515094195916282312493384728151544680829421904758634888505538041797656407331900341969252941582722167481636891369959680197013641875522340707021148081256058716849638819811689046936289347235867022278088185398734383867147421174018968816655531367955329754822667619263119032495978466319849661073332123237358858657251284234086288104546754365772921861025349099523312642576075360564792581295661025143027613744551466079791638101720136056271606369882943170984203102745237536213441807042484880104328586517851533974925229463505371589804972085567105915880577454366416816632143520057667457547024130443934360059928089108057114068568048352468699400941381588806873187391739719227585373771750901189236084213502296085067354765501765735638042357819200311629481359419809053465846991806406385453722249485376545817339272313228605764530660911299809142938188398367431193764950830616534387383363174532239698165636514381769393675814422993580980935448421920685033857994525913959957986351987464675894469571218738055312146714937459345518008879079994545493954505411265215076600596825876167235759439755991729119479193800316652202280096094773394681718730368916288315161797064720567403331534665510223139869592546627859979498443575505423352487034867038166304853642769030737760716310085777012458145409183052771565691481990125420082777132158340444337
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,608-digit prime (277 intermediate primes).

Certified number2,608-digit prime
Certificatedownload
Certificate chainshow step 50 of 277

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871805661 --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":1100000004871805661},"decimal":true,"detail":2}}'