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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 #1100000008766976802 2,441 digits created 2026-04-21

Value

23984704295255429636234969808784518970262687344632223648523257915479216351065705912726276969858620582144851889151498895670803886341783753522888511473170110261331871544366278029846035359641269109455757449130100552462396627207936033294229620438793772671253656262022098646628296728996808311715658045458210021789022507939687629342040277650780214696801463803940899113443594240918938885593373218096404321103785209989267341633289349742162248551073597051737600221554000116710541310966572252979571657861422683704823215721244388657531496152594057942637191953490528785195835793038104647359044966096150880612148299328835608649236448258240171074041742602009256469954791316473074157606348045898549207762881704566635001839842164028487747820589877563694203086361633598664587892007477118887834334987672975539916433430126022285554323740264981471127411146595542986281596097179671440257154667777501079537110110598422309791752927301467135927300330269921638113641728472759237721441632528460266134124544384172737716593920794387999282862628652741576358671899280016091493871623905961125617521955442448473570691413295798601798371804162976292887415568388884622835996699630350373846936503965637023352874556754181539223942660593760834585332770946825767001446812275024254435700847127296165469725471292302329875769113486267893288524334806996625261044288616926258514468471400449082608654362673130768204084107507572809359401120740802718515835133630553669719440363279342963383792056977418384698006711092587045186410129762698965108634462111488862753987793170578931376649030225426462245316565327657852606423031541093387263675370488033645007276325106416656222140632266039865959943108092270247796782747825371672883905166023467821065125293012176234552420068532654776973854120872801381459263484757519125211132047359036424285085478303561742153814203566513624787123802719711159642767148282852600048432582325469980995039044425465988940904942999464661845887061584341252306520360753275910478201534784098261004520087315742924329910689282552225200846426955586674378755895908388908940041156905875292337677376950158780080271441897843771723076657667764573619544153747669133133537580128410490554227012555822382167556153386860817254383937862016555997486489244271798319518966832581571773297983060426689286024328358793331053921609599766944999095772497858169307466934052503917686249712562426172807362305415147368407011167149557796609719668221554100739443673586871321036352520980531700519580148967
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 48 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976802 --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":1100000008766976802},"decimal":true,"detail":2}}'