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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 #1100000004873696249 2,087 digits created 2023-10-25

Value

16893962758469341258058973400330300009126424581905289203649863716147978116387649744310089904348825483694456257069247064074135515737937235611379409959639945006304508252649022475847967096778225340272021855493580646838968616936906533727931813460183329749805282581564574319829336911630629863453922842744978269069628008987323419984695812868271820826697066843378216053003975881419958616154078173610974404887955066648027131568862287891912505798509976140905822026000968281361933161666529395773399382291517158145780745869154784360365408193954232534495237510961258051050775488569331141519670099216416981812827860482137568696676432724668282137969144955446854313585928069450970633830298845487156833418383180601984379679726618620547067786014397415945770545628624178972495342024052356895079492717363872534278004720795469872436074311827272314592662109199171805016300479671985914332007735978637792553398026797611882277654337427766482341892723779328368650713291599478546234656067263861003893597116880031366365773020341843625736405587902416644128899405145161577670562806244025275641747018229618392007363175984764810735699548682196480022829261462526824157698831321356952460276609971693743151893159243536509568184043333502411198839681055668357153230738785471363615474521999934999184537865419784912301822168664983714300885189875069687934163619963496202186400131634925356905061474387564757850458013343432322986284891422885847530634950977702978933086221806217128979848290933807308135019159217849857342882771324430370654862798235403139240301649278940960272442501508153922833881367828446422621740829657795361327241630660955455487565033606120983007148536118248095608732758560015295160832241655630287391327478470997083142539508830109908049408060814783214664005682004706236528317436927653308573741657702334128276386602545481294068610618484254361397659219063702968277998056610151620176741440849939547687577002300991504520571505160542509360742255667801662771720336497448173728575805574057469853090065841084292321708987541119307130587467823420010777899856499035014365399092771912541931610180383585795319256170625728681
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,536-digit prime (344 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 55 of 344

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004873696249 --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":1100000004873696249},"decimal":true,"detail":2}}'