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 #1100000009104083960 2,978 digits created 2026-08-23

Value

88650377276239228390413452208005556324541900413621036926364344893985742222232655710948486435639670235777495312281486800281821997798170463405579611687598440104911162415155753448911530043364004906739178229308078748731989787475912208501891325154874214758423728436486402689091768837670077662189451117784173832643673037268272695630088147417230361525245347495762013561240184196630235242448665794851979651089933076660825019484933105729640641675551437653575322609169545453895334266191028318536120329321045072966719501686645746753692353303535843153804440304488438027780104416347482658211847996251541473192089657556423645867252049228624848023494976511050403954895560766651216617382024541051665145539869972164779265049715187326813561170228491130894986101873078018602221901156015819403071796877270938703616675324184892241698394197492748990987061829664939481778144755511257876244942066689996693932975791855256121931402033247178857213699822959361520799583635856092617993898716423882289774905427198369666301975334377862755028569324967157340077299731072841307789387118545952786112477191353462252371738111184444298782834892878420923920344813135616987254725716600510932224169305978898700965719196608262412050886784359821506437910813973727375105300804163068362388048503562526924676657922268625471041897492981418950769201489326590510751074405168922087549663831329234860755685890994893203733607917828032765028526087329861856817574469055720198238290800620883650948957777093155698305156601863220910443793224565162328019927234009669440624737035490512773746452411453915943704165644499199231631567264165515887989034401000226369636950036005083314738239517748850971957241449349784908775398059068367261912637905896246915585896101657896103302897108362529648563602207783156009109498633399884779521734190898750668470052443689891505094123414906569651215959366119244131046832024828964779266679842784244948221985683252458931094629747720868123606337560545382536932014797423790299597601609597394385377418685770150197566612199033281255233200769243624636829380812593887739471573899347807744734971668692800743827825178367593582080470921523648940656300676553459669451301042569977779711674670444359531802646675463399898039346534621642098686555313789992427372696055179013107125463481794891742681074285991193371059000545938419375700274671213925691684495667075760603409879723414433160497442623669837363978471915921473985159000967626016552191504718362136690760779656220547272829502350546137330007071469226625019557922119276364512289230040490383902774409643467534320312716166280043600937144301054561511164186992548236347382560152590135574926523500523837513540744471890622076024623953448939906833017260951429215213766523564619014859758245964502684981988388548312771437886921674169878432712667662775887831071738181708578984606927348460164472021362348116950129868870803880728362913386366855804399258876248126757489633778855851603230405526098734884263493624905732838699523250377966140714272552237147989034479953176301473605906141
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,989-digit prime (221 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 2 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104083960 --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":1100000009104083960},"decimal":true,"detail":2}}'