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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 #1100000008798798771 2,463 digits created 2026-05-10

Value

147029028378474763071115784782949601667679682773615761256612641400029465012273702982886972365789122960179641651754971851000563292087419973420412796751095107176621755436859535310612486988941058980459271926893879074316977146616372778678496307283949714257194101184299463196773563467907385248835259613508598702892180559163136773635435123420991869688250310373861821632125346190570306369755366052924121589225347542122564357972217830450745989203575288180632117765060252559978727287668650653155040928991871958759210768747824771176810892468061512669980229117912583401070926204237502384134574860739936445141262767507062842313292299566303895627161612148482312628242844147317006588883871489240134485880247733232629243808780386761825414191086076192530900090475967064472812661405426222466376145657912745556110768897394743192645413058753486137887378936658471760261652806878376140862394946698650878540709959824477117694962125993072060740492974163349983893912166882098899149815558296264458396538372534013313067430657221152022082209504536949208794065785396267574654427343715180137456009573889306665661236058919806348209188413440076515067139909077927726165799256046185347413018301177299337094024260297850840145669581134823380607394802402982019669010052200655583540424210683650108347871312424679037215113599558321851804241077981831450145337920024560291640603320437277574154152747740174051504898966308923282751019029197775293066799768605903011568088481774609127120447991256134948673470769203292625789117677556166688488598524097772256986172557973255714706251927196063145858105745577546210313125232916801977964034799735384134508476541425991095422008463680854565303756993968709270824849566420909334259181606767613366641784393213427977416718021842171190212575887332059628783510613775200443274807553294699072779304949021160317626845153842536800843720179543800752540620978374671515568583704269294390821841544386293579372171588028758902455910584212341397967908481392408684526364027143450109917419377976279155175833547140998312561238417746057631934761818571240663613633544813250043408451597308212059228478592027879518731003114993724438007236687470041482396245712882634921819893224852557538014068721136967106093276921436014471298879754059610815950298198813626814789230351235268760127258499795931225474668688252504405603334672728257316153836051426064860673087602387469140498739537372965699238032065533314046648324593511088109297815684308598322186515658624970562786980197005814304008235366706149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 3,854-digit prime (249 intermediate primes).

Certified number3,854-digit prime
Certificatedownload
Certificate chainshow step 101 of 249

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008798798771 --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":1100000008798798771},"decimal":true,"detail":2}}'