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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 #1100000009067489177 2,289 digits created 2026-08-10

Value

126093196679147752072903334518208659172070253816134780673341568748602499384876494744576488040761699124822735940610492863907911542583934259650125589185730186162627949621117727619063834447438828652604146979679616290322054607507446719618621591067881917256483709285083583725409744420967165330040103285922017865565517426690968410493956928323418589032736338355401536217070840786656614158836156638420731737508959978707385688169800903084061778252044511409445252957364366191377715082738792219013288097692198498329933709397587008131429198488693361276773138287734484810639584490804196916344606108093777546950141940419097146224003587972840318576658153386259158061097167553136833577440334750476518381501772560636884254486791595416599518683135231921033847453218896668182541759829782663310238034000862911758300035736134366641974166559414673445630908420651864493109702736879938941005590120851791727279758897470192399303273063487692779717404465994257904926118036338663414056331026795579166658954778285407334965805945235933148237151959580878247759758918616241623928610289044546798741699551554078504217554270246703842441702519944516816540906720807411092076536769351523018067007570067480022494783007406373806982622117030211366901742322436264542320530973549841854931728084772222007184273154117770498293862523339662764159482042164174934321206124478869296964986711725138800887357199194287158679677637309630290747127688383063495727806192179456925632878583579696137981129568068711309418095156807977085007848983359111366893901728569698228536487706135325819541074289043511675717863633366914808858438682627325151632121084502197325075313842230366680714472712049644118369342599754489701653169550378358337218991231117200307138784923946932036427441729596848833340131401121271307958327325106121892669208379330905823387080943512442287105027744170973762603410485319552455579468821758344988028056871882154875737815646013281519934203705593405939045729044717405366993097258930844003099881490606039991388173785469973462530098845765516491375450060472691080735807754509401346671988437753839320736273393383167184090586092520534589300985372130934190077897024422176352914427872820924171376809709385382740455557170214233406533085402804383673069567128427932983997065924866428757384937682666219673773342580528529054234734489748559792523
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,490-digit prime (193 intermediate primes).

Certified number2,490-digit prime
Certificatedownload
Certificate chainshow step 19 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067489177 --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":1100000009067489177},"decimal":true,"detail":2}}'