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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 #1100000009059039728 1,874 digits created 2026-08-09

Value

91334145697360729092155104979172329267759706402336131516930649921602711687534157897573256447998217530576081941857475811006606953301160602282507224648476906971982489226201513267507273853602790563935491010615504555619202348950029788478597595328860918216543986064232474372022629062371998269848018766187136596098265030128199456454472624115848000106010688139685091674582912719156192896072936590261085841741811687686979781669159051736650569538633238803119924636121979336474041264370221642069245000153671688721646507475808956809006373870047154455268343214326872143439921338376641663198883356974354593680797197902927416417274919044392572417585468962241930081064627903008225066315826397402066099703624491265022408684963985624600028077990506261928191975219652934379527106560580977829669446576162123694245939615773604377228584239920496463107037667089806089464843706715153040742996557535706718087259654331758507130330663574439467266136585648882270405282618544890958931823386722635244941531553584602667802515919011613889717963735522586679398481299749963820904627852483821133808301975381550681829768426317913669076400008947604120025636322237683544015294041122076952831489501229358411142772680949248990661046096884391490366433817263452674492912448276534932250932749009508536291620486617738319412853244724112366594173412041091460556322704996686047933257997925283230372827861986686391102907171444116309886359550299066587380071045193933718059916455301514919134403789668737008810180618722458070530668936723208158900577492091694496184189991970606895783306587756416700872439870519500131828717025664749532872780160630892469390296341559210181573648300725224979606379355871587915789770604509903699348523148473178058621735403994246173120539483369949065765280326788650379937483068075072850822013144270019812076081093098125282368504024760604271867800418299700639353029579199592400526718263918435023961
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 30 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059039728 --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":1100000009059039728},"decimal":true,"detail":2}}'