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 #1100000009064579104 2,542 digits created 2026-08-09

Value

8399203471286179167725567043104132786052636645759848273087402061282720269709917458001181234582482380017749605061294857704725996945420505517377518923532627268332311443245216974866229829465795704310485411667816463085039957940882499347973073954472436017426118863984553036781754345183310536889719486146388581838668468366052555838257078967281428702149365848068003086079569161560639993884224584981630889910174866416204531935473646116230512622866639973309143536392445770043330704686016569839042249742045275747890535240568781170990250998729838939760643627177592345574701372639151352326881933024931185925123455553403761491435025303610006780439721417851600086538658042755233546295741088373361770394650236307886839136445326349816185192282634895804920151117926152155291354068605561468034858244614304829744484340325122255878337523076253574990420336896095337731542044243783522754896408999647102258329165458454377006380885025603207574850725381272313253523174923515818483795074900808445404544660372647736506166264669249017343379803401945241688750579471200842670507456552515875553839444844511296052213895021446934841294027848191258256647523946767538404417793484164005099183727597510923967226653676025200179970839879027734765012837432360211872214711727545447897890615060799298441098499447175781909463687495126192876042647437733019346309160623001417012068848688534592076765902845831422019766448897666055363893437795179766251467746021938431636681232898923313225534470994907627832332377929618175917827074905476994052323807483435562220350951630545656221111328230557178221118191880008507686263370018925151533293184146190255733309026502390318032280454595603626164204089272214479887235922565097221892204622500911505659049376505731997055510241511240284442561095624011614172940001860032467243934562629949377150042030554390420780936776876162085647718602684134273883810026109257944994169120525168976720780553534823244878764723513903651668613614463703793238077520398305481473450731007724465683435323082150912599080530132797105553396762826121333238689602133727893372573025753431747307149596748602890735972940726593725213188946311378127676799615372446847650768344434080115465879193968750518516009860349414114270255478512166069262804791200919166160429953577751444107356872324816347576949902124607352218774401333582867589315006820214148295467996540935795021545378956295911270756913990637409813777148111119141047942257700008292294563387617149724213473254711612588006376664828700746978014792453144691015372959494470845789572420626216232134877867657975663172247145487275144598771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 3 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064579104 --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":1100000009064579104},"decimal":true,"detail":2}}'