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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 #1100000009033139158 2,135 digits created 2026-08-01

Value

39798504812688635105601118112677829668013075570388046014651123686994810254664239021474607946324756678452680859251030197267011028093092834706094613371287342780477827378453352068148117826093130540590054209880015910610869688799108410411605546308922533320149607587624076524406534465087166421832236138491114663399333404924286649952818927585478927648402502643188659353915014633118483263679463145811979564870140714804855917176441305841825549737959632186728850711292861305701172220295325835137172412255127744528070385598885921343323441321337961839846994789312115071468671044659028014032637469572710858032671832313079924493539438868440188211644754272212920171992136398005251513138262445005897009833374706952301505742712948314828355174007420078156172393337142770661008171381627982375673244352048155959082906990705457881939351245779606872438201667489550429937792443653472330840991672116986707720772621303353485092673420330900372311879655064269828434758534032580868564663175801588468025668179220110653961152109342748502618758699032861698833565345496227137198459814458853590065422574430201830231381253261827031393010806101265391220843956855994888968497925138181466156118316924197018006603306978820649206236810348169451341087436507553430894399653076847440097370376285892185419885831144087560700480475748780774896786372341019738687407480634666687349772651929345841084390773674673495950857110154126838838856476180707938061332431949736179922470340520110356333518224573081404969882991013901827115659492524068318535612531261962979885959466828101751884869733343182226540766095636887584432378744050719750811956428173184418399442904259510610755801716327029659808815141826895688444437414783756271314598645987112689562035277517095895375959767428239452317977737474532868836537797204812761569449031220870514816609132629845636803907807859215842734735793834089308996610818533081251074944583340127432590784473888305038802830865361446386065476519028799798104377052614065164121806495402844186682121532023792689533278047841429430014429190825937987786355027493799360594584835662171915534254760675001295057539604705705996589805170186605564921674577686497411508184035917
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,783-digit prime (211 intermediate primes).

Certified number2,783-digit prime
Certificatedownload
Certificate chainshow step 49 of 211

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009033139158 --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":1100000009033139158},"decimal":true,"detail":2}}'