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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 #1100000009123744755 2,372 digits created 2026-08-31

Value

26666660924142443616452226045654802042855120798936699826013910819793342597390053939164250374816192002664046395110997632965144895691072562996392416759531004386003569911876215103361397670598913153523163928635750814804598337787797115361786953191802073103311492640371446220806212148880774901922715331154774218097663698001938810613583580126430192250718550243239970111018176324338357747343759940650434963910326401179558370052935758884981126324996531274875511215376897184967500127605523704466366569216293896559424946566739000469077179070510027243525813665984739789820982482615928978116245438068054735805980506899518371671554065649135959031964313378073580350823229639394792985981304175426751767942805310992345410104945555024928230395309201996735749938075391304597889189682856355794014701640630496444883729088664623680159541901791265636206097958427772602232653627158940223505756945041817459746517249009181310401563691700946737471083759892370213700714531386595688207795834284331394625083307218790280775898273420521887690820570528261409070172466498108974084848364640132271906004517361856469322000404305111048438489023371137430219942801695005203021933925267796583389944916632655539648327646888946796678885188518932685486079830121729227122770161058617988505763907925289158524381279992471824569485195097790303194820553563752490205598333156066459249853378161494370744679918561464326780355757747650033732736805676184624477882620493203897975088326896666260639160865251591589685508017439617272146248926849121338379812165486775476532773061779808183204488187113181815591970032674656158559503537578503847008713470030689755850491802496747765498106508591596814791169661203485729589545891645049319903152695359161844014487269160191569757855222451405419837390594399411136503845188456751951458143377051408397570466773139849938398162433502235317448242597669612785978206649724178745549330583070753562842882975149954807038554230525406264675809165438620132428064425452674774364026719452027998017487270636756590130680445935390568567958424937278218290723980410600870576664565858728848908451524824831575720714259514878632309297920317262507086943989963267047150666592080291875753091495192088258191893363539719047209645645493146237641118264251162009255475027563906299369992034967871282508072126807752808844570256365872463202768196953442491945718387208947201258916830078708713753244943016243370898613066616967
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 3,068-digit prime (316 intermediate primes).

Certified number3,068-digit prime
Certificatedownload
Certificate chainshow step 69 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123744755 --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":1100000009123744755},"decimal":true,"detail":2}}'