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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 #1100000009057768785 2,454 digits created 2026-08-08

Value

614868885294484254734560142818824303374344239862343096327034532644932921656863234980878931244554376765057460244842206794469581595324149895290963617161260626011391521330579162861019784679381575814665898549674469980703719070004585910497605783388569921519709850295266159726911221460020977318294953942732924170200187353689986357492248677564085594192731718440300735486440580192269746894600262418261542826546132010015756947584442013391505876469100909433413292369563394088210941550908872483950379911226107579008257131627476490860006939101218531467122998817958791197199267629977127586739540446171903923603793020619072836165996832311588869262139097304247907288626138507510595576807835530824847316417057073957453090274984969662139661429264196062598985174363588145735745949979856334395201365737055214684688859721065893540468540698764609937938194868421926927763871473113606012684788935880807818498941433132605108603563579026347209419952260971458528396291105876132918720782239848937389415135378380457044521934088322609984169801492544672056079866323647040813450971157377080052940167395691971801553825014177577775843535644155015839119050748124579547896221750768244639983786309270530011643441355915061039682534455514726105444231646846847335971271039532961766454196873115939018056549783983542730809772350837741560031716776594265394530346632353181373972894283027065557824124404754836913306698511961246771034691648687312599659439175162717199393876772531557965477223004065227278505111651730050097314798374374921496602329430805526500251307644950440316899697593946028466077312178580311614054111752588323793481646967533913771115201327395168618390322650663990653452282958062287064575530324741631799546198008880171650901048434353305537875355688546138861944440418016599381813765049640496193887479357666806653566639387411718393724468805694104776787353155551337958708241686885393137018289384658364832148548560475612484894297727708415038341282315082446620253418548388667881997037054756858380260065936346744993909099737974343016420445218291272574515065844911380746046524295615060399341940264632698586975086448790844433127260642319113783098172629839499483993838731399737245686972847144355111464290654699719758087748213263707740366521751244839754459501605549182280116793258559761518615156185644028475815315640498096723297602334194374019203953465720184308989677764470028071616711084643239815165225961988450766374698872127640291684820975790653775156181298940704790036954168121685516400171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,889-digit prime (198 intermediate primes).

Certified number2,889-digit prime
Certificatedownload
Certificate chainshow step 30 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057768785 --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":1100000009057768785},"decimal":true,"detail":2}}'