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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 #1100000009132755618 2,652 digits created 2026-09-03

Value

797420868144388380731698623321131126474868706284848175817224060509110232722168483440938715527202327650266128544312952371248554341171308116996279302400211294736107158524073970945473465494551438362661481675021541106675783826158966608333115891791039640134387988232863906566301640865047553190049817528955295101711010973714201453187340912176557495999852777541653988258041634546486150955335850409322596341423416243958247983094581279718135882123592749996828018843576747041314000648087641202450962690464516339242946093560659693286447408091345545638950843865350358368682401649607882485971561189121693689334926026725727051960954734199221593049451050095633243386766901474050652665442878743030103010829546866055689400473758279912770232114354080820954831094232621472124975312598840192574686068778023398702789236191100667185920474922811870584299390186457841198727751437855989791510693940714379073374901842134747234256858277911020382878421588819250347696492905010968626913801160456426667717829672800405143216674934433282413258570564512639820410615775747069108255839911767932859165310468211521448020451061571671778859685328104155588350822803992429936063056733693023765298047546948658350118299205366391109353250633745213814718568281690106325923464707330645349577530523594385456334718701934590114180662119522953068494138039292957042955228297139504289765589171821593048597858039771721768224461392501243240238437168586168761615173687086453192330863970879024912263680105028886169999597419627449903898877157733713599750264247655606527778871093895548581740387697302292934489243953920977027293259311807927933151068942790716865383614945609464407444938307509440109135508699853603776836231931371585452547300825721387524094065351557779537135420019859941417814849117261536142021536743922259418935114900602903370297696559501923094330164284070920624274398029173628728150587710964679815313805671720220025529490047769837346631482249931803894115200894999378398476137797886462307601002581505756653790693629660300867243090061388645452207693099509961439114528401931821756802639656930261707638713369887601771637682728734187436221546654075647733793928288612219672101942129754069571556569817466101432267197668694968552376217259594524956619260030861044064032180534707230948835150435354011388668958070654761625686291864841131550135033991445301188400238277966374591164765764125301867053792970104775052843952594731288336388157058706368980223612006069604927499158571555811577859276427754598655722268478807602932341690487395484245123162872952975845593811951678778411168733399141972199338256679892260016284262563749875343419674843678646259880379838987008318499670705462651675619877457545779298765377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 3,186-digit prime (307 intermediate primes).

Certified number3,186-digit prime
Certificatedownload
Certificate chainshow step 48 of 307

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009132755618 --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":1100000009132755618},"decimal":true,"detail":2}}'