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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 #1100000009062570574 2,369 digits created 2026-08-09

Value

41320871384892568561565424453268291778586561071772098042063093946716185073483755367276932762857549685808131215049822209881708145933652901891699848575383060855767303261302425080915116400182664464321390141589842477220252909587064468823616498765276808671497876571106556509166511649923875123529825062200275590395286251886976177476644099050350032582370033307278678280786085053200028271750619611702582973891606211708961718947772599946301070111976772377100036204658666115925187400455216219747039514629938914269306416587261569190575865671389807747045682752462769188230397654459057876795085325507690777467560420554146220669972645389711758977453100404891845908037378378661427091465893511448138279913601576809288765616144012532734643271934718742527469370254501127634119322590636074741563855130300402624472728262305617189731404128765720507312928146232730163904420174501031991772801639250354414788467162645457635072652258774922411265085242608645631708744039400988581354690876264489215200445013399261414936698172340799715609196218314431400542963903249591638929154265219534419141987979179187726080524916828562572509627501084407420136484700922739919840233220727811890930129400265577690619560441002884110596064022569632740829735542760885411264614233273488166312381440922402475298355733199568348537468227577607820511483025733663120471615600963630271564669203494194899175707898771228420532294892957064274534783034946814260230305495098192383874253367353490921533798152063707041925533151553172706408963827750423803346647508402519310848953714883502077340397543938959708604703981207683687756150133518947742143073979281797938035399293604146602901109828802586807684313176396337081894634596847560132743700681489536137037131339122577927050524251788396068039933243171128355927824344773676174783249646002107163494394917617739275306463025647924424905537925507525712371061424183595084461493959120304393232861048514347977879862573641731756965310308855836191324234606695050417064981298593070217334817322845687741640147355316320423680188186445315701248531615390834085183632222598886472912603193654258460919842350490323193308040391510862452811678221904447583503084668970484793821284085738445380311765415420154618019208999300112450255717188198979230476261846990891652175627940430356862617886166793046462800132150403816406327458184436136801174741702987318059020199298770746739412170897546317474268525927193
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 17 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062570574 --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":1100000009062570574},"decimal":true,"detail":2}}'