factordbrpc · fdb
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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 #1100000009080540379 2,005 digits created 2026-08-13

Value

2085133067741483620877131047965746328112575473511522494122000189690539212369443096213128896594676351219800025208384146348755193867946976333864512069043060072323428554262241894248791040897676691234881477248934443373269874299290498050524557992135009507712544240694419799004391332166930081590946980686759226792640272676701004332522833864243325218693021365691164286615090150318529257787074608530996192027904409399713241797416288038862623905262441441494214922679749855112691861688925624640326139123773458714532968924238636131073363984692611038037678266542772999150513054120193198811863590994254335026520048513391585294299532380698875310786087486524129169346436477244453624985931392314077218308452838852411759453763945664365773039097720978798844389788677539996598231985566023103694400569778179166758413081220978500685024152860629496572809882030405578018875351582835702597248405114142785924403164977842999948183161762374778442368314810687517858526061469936780950029074599853019855516831757309792283054456021453025895449924448655989209247129846929166267096288344282146108270532496496079567422898236799443647967977537420399143002698570260643369729384973021029449414652247742089331008723313371058755998762556465333982537633186399469278908530401549596222485651024542429954416247706317048780775890703045637142224718363471476210669201174038340924817280231421581984653459476403254403698024510303650637623317798629390881507615555610148180746701141469415548464175622742565567568382285992751373705072892077284401509428726638321251059292642176517201021500189987462284605815091569423517800913221255182496997332551430198385626889462234948803870919546469645441987868590958883628715883809959251261052110897090776446906614393814144995851066219031986969165332884541177414486027465201448264267690090075505769858927872909390492892767416441853270246661150333381424941843755325690167511157202964748866226793034678749247237344086131296912584463287496470527004266996727101644868380508419086874786421478393703571113015481240402187172007
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,967-digit prime (224 intermediate primes).

Certified number2,967-digit prime
Certificatedownload
Certificate chainshow step 71 of 224

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080540379 --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":1100000009080540379},"decimal":true,"detail":2}}'