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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 #1100000009122012862 2,418 digits created 2026-08-30

Value

897499581860090216389468872474572745705333161165349718558132092405988224438084745808079424770134167603286120111967381403483312587003331392531710347905189672819965171218209409355200844775113091238076723450088453914023415323146541484221394928212671969786704724879217911540279071494430347261930073931754112127407580192411720652815675792392803571817265897787033359293072854721232509767199167081489219138242256489738213972993412784248043972449915650795947384331769503305233103130951490940354316171564765527831619620208111248084898229386579110223796415369495734154165475761529016171588510591033026780591198529619631124575005607028482667617192399127159519437968147291021107819338890648797014445665361823609529329595364287371973230507778439398295576250365395021559791487215449631948792838110010676406216411486771563950731018978960733818274895230161016456755779874347441020003627800318951014162090646958329086068935899724265021684567479531126977115400622630607487446407919891593715759435674651146933970047300534807278285868750322781025543515460401948114701040363398301339041949112266033745729253166475776856885959843421473101308309365621966089612762083496412578735613505169025910582363628172769262920217493341252795401413930934991022861013013735521909763148934278618731772610534183707819106838701710243481258691342799903673680761516075618662827035957109275007762192381624446915041969579759621683979283042687112120131380217542198945149853641264254331522222949860631798561598846509937317812158040833459551135980608151034018839185458753651047296465667533914097481275947956099729583172437026916444298447984254298257037703774137459703852135354786800328135713001612050394718593321498309459459441667881947729471929513275225540118562784364007088741639326424679823296777279183874289109974155912578094480110527778847229497167487227236146293295221049263368041623689566143925955454265497336436023543960409928857255241597548935178714327679538219519028513738056189489862599298612147072321858736528026215802607038530487822801899087772112098482602061788968092557486082954598825314471102547478718697996292842117949160759580746593682056435932187350861351005800951907386688823332337339530109309719522285721135321518353586064774770954025116339770831315281956486758134489149500780726413250301960454205307554431235972058500164017011752947494639644381348073323986982165299159012575419478930990476230928594464635254912173642750137854511036098142774317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 3,051-digit prime (309 intermediate primes).

Certified number3,051-digit prime
Certificatedownload
Certificate chainshow step 58 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122012862 --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":1100000009122012862},"decimal":true,"detail":2}}'