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 #1100000009008066821 1,143 digits created 2026-07-27

Value

131777728703085327193944687301633665815779905196967870001207096620219246427286617818978170713244115464599468423973045807809968029375374847641795931507036895413252125293842501482308496908464655218520758466010357180512225801223427112920634131917858188124004846061839005611149217661296855562271158212373140759955159882985422145338915714599431314213151251068701026653939991685341413627208244985407209597443520485586883282137291741743293899876265436642863818762030636145369490224414015226075264694343428271415870101771902629822126875779343810613814548371974565172274136392982597552179799425439776239317498676257721451877421881431041127606947286249641163043483667501753736156674485695010524497355426402403286162557995885834478173137090050214716973935107320383084718316683388658603104892614539475492928160988251858087161960231802649887015141081803594355564771409592444004499281350589994275205982946740390525633327234313561942378390509497134472343338126053105124095033067616899415771891508598134966666953611538678290512693282400234811386344368708060520361554400227869176694833161952187544479217474292469613719840316461789775457388422505401122465775929
term 4456^313+313
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,143 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008066821 --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":1100000009008066821},"decimal":true,"detail":2}}'