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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 #1100000004888858840 1,810 digits created 2023-10-25

Value

2531220748103873965472718258022240297370021639298838730998571458193171186025532601969395582017179885216932652199386346287719999234830677400163166144722880207343735364882460725410704858189154587626701859531763800949486475163661468885376703503860353899927000604375770349921708660183296013429471711338506867590008794908941330774151706732977775649699759208586046353216662037961010219739895632762255068385118791296032721674588295693468791093248849102017744751347678443911328853747867697009588362778460375571959373912464699116970798802852568676143259612815605546133595134790323501216046508679676191448828692172798543056207067568659411199336227835559013734247787443264808693663122034938992938396965049255381878922038485945071748095592731856961809878679777517657484876179522121160929630408199727961136701568173735292740376890621921163185382867456593368101148680619005753220340046935272400422184886800939531193878526010779051120303876421430485143297972143208610415615386076995531466799065474675097350075129476062196352740838223512282284974006846298621162183451395948491864653606446810806679147258744501233088943749361428588778475681750078627277633398984105147016476867238148352347637910661989238298679711519671743149852959487416080135100119819483112651421850926862070348019300824759859827500712531360837582984511116084540518352405092371375813733216733543491154814434623464639445794722340481476193570974948439768100224268302843850352553784435107200088118949208644959685647290407012618034589820903697843026724983364358258891646437960144567420593102365194499791912097964086238602558619810944911700408375893272601454586843342479252364157562104353246516402500521184081403709728033331709785527391742676318995002686912839693992639137853922221405699554891741380870810212882675895911386626532419331322208732751653740265035480771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,270-digit prime (261 intermediate primes).

Certified number2,270-digit prime
Certificatedownload
Certificate chainshow step 52 of 261

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004888858840 --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":1100000004888858840},"decimal":true,"detail":2}}'