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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 #1100000009131612059 2,345 digits created 2026-09-03

Value

20930878212971690525575174984181025268720600283267791397239281653601448458272917442232586768983913498753474496048109513801718750981871064767956016020166311263908629904698767848041721947682488269246603318943957155588559998815925994112941774438023480563495009347263701880373243973711728414349842918704841958359264755328797078446431734966355141703229068669251015522488284688799841464496740296194781424761640724096838676705643239474615838853229427298956062322240046304724453691765448123095665037329404191866232047511498985281708915470926800778640061672175963108904313890585675234960674876364408003756871386534768719540938406269540792838201930225143785355961033286102596038814013903470513875784390748206855123139662393179513059473969102630155555277570203097717072632039968757402270397089325235058073172727847629671691092425356905851482938903057187064489370743459001926203491541394343220423750714126723364271273276761902446337143553263395806645608981109382536587553190743641716108807366008955179457155055734086098131031363691392846233127554976990960464200710559453019206578574557694731463923573507690458903226604753301330859949568627332331890318363689400177285562374970707660407179896929414461316033880281742900422129196119231233054489516862187331094936910306838965515305790789792567530859719114908752746733800816290628475331966368325477199039212601368456272831851872758715262803196563068792630907764868997105841983702065397580326008308550202763519035544458858798594804073756143897845973377337949158399629072672645502781685065074706329256151756101909051911765643355630921435529028576172069580700407464766533942075116221401471429719429339654573456147459264107369702147720824012123722077629546858585900014898691753399976307837450301759229964437429688776254298366417240920540890409122157446409822340471871388593192502305586632780290508826792659850429801446068307638138799116629595608490924654409802736995557585581559421295256712341706240897401731747089517570645661550104094041918640645348629917994104057344519202339483079751536274885630576765870586408480806935481411772253700267191578639430742374922949412812703493122438105909823403979428914345295332901115612364671061694849206028166703736854191121707472203141004847008560531206673817352717810654396643912016261529285883688346510017217336802878388435768223789265619358475817849903288227299192443747435093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 3,162-digit prime (313 intermediate primes).

Certified number3,162-digit prime
Certificatedownload
Certificate chainshow step 78 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009131612059 --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":1100000009131612059},"decimal":true,"detail":2}}'