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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 #1100000008766976406 2,030 digits created 2026-04-21

Value

10955826927213063397748035341395600968602626290997498031264029964532413255631295038850754677593321429268078420785258632530150088977824215958880274876853616017309897231956138315564216998073110202514070974668767116112739453201859489087994952850491849001220353922695643716004577362538720548924465134201605500212574874038601713296596301514707637658629824121219509618689703220119545952124651833976793457426079563073167924056769432721206468474506032035753972151014786178824074156905703412136521096206563821732011035739475811053064844122063834011710613546597309872381947263978301002394234436584915393561597664069543402602247466546364717837068456083502388744510524719440404535587119938782863979061163516206780844991150687201299631587526497087989907177167976153064750856188812394675904239031806911192587315339230396895669290366711413566787179487445640432316367127019699299288731980229774988134284631966035990099866272861988144478185635180898096283426006976009468212668059780427020629932307435831050689954661305870981692774550092417907645070273211324931817508266709634846872696197681752582609277213071858507885398783887667778024647337202274295228923328783457166496097927264961648284343323592888081629292736908164019429855040080402543788242517683584393307625175936764168580397965774831541195528570969552566283681896933863505112932139151767472428760829144642487560632412502576213434683876349906534404206475593448125737205846013989068978094896057367543677473668457794015166154136504754964759488842515621620049040392477059801057479165276767397904151933158499187905036242931699262273594051425878029421591610781762285167490784244466481765449067578052118595662513563693430479692439264580392137552640134312921917335744852640312594882987627846155865663795062819037952688117202563910094778334308473296602137859886615140747155000043196481973508552915323875261060974214341809446985149139090097244295828926722685868576781749892607843704907369472406228279636522297629576235639062873479392937906739995752111241152550870500787130036956715077364083661839003
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 70 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976406 --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":1100000008766976406},"decimal":true,"detail":2}}'