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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 #1100000008790791183 2,200 digits created 2026-05-05

Value

8710999697934310723138095131242345021047983624807528688950411250446706128770849250261839800918569420478736710401854273570014160616812948357190104897141227702103979967941247337163386670534246843784649760144186275503228711378510872473843004982572730017855064599897991099304052069534155863329958632027891177454450803696296076351887852160326886187891885396422903243083322629025741924816252092801561688183028242436674439726111308043354763972788171009561677650481198762375687683858358883756373412366625981566072888995269264516034403164045186728878353580484406332655286837642638872406675865213403702761411472744250219207565532128763911267302450436221467306179280296534330380740685859849964682583496533579556354652398201512310709754331755720530964939128781000967067750831346687897314945289651927986259350766641028628480339373022877585641210592280764449075204991137544602102495014708348840969229983423923309088745396227933280444756399278668504450529828653548789880918271244435081031085891392494710991240590580050511692191033229387504448212857806139665435727404821290229469954254632959503580441274257360651363940588535024869920223617458439043500812207095530299655956027979804945102714127156897145159672983438240803349942272047022316142442014597556364080810605241462345851126281809135488799089979406620647485521249228946622171287029258207445036694316860129730462506132302628039614869953519861281605926650493708101683023198989284619024635670009620688093400293346514305556914773736279166998296687401651550990360963267377406784445530579291021800825874145940423491431035732942264727424830607181820075685530043400966999276969957314865095854069356594007183110686610073905436595242856648011379608616551419115954719556284535783053406963991334214111051910164135884880864235963768250090891216343497789614470499020279883377844768321891655695268527265537071677267922775655752222551356957433521543539544220382503992680723515420739092892639512330731031922272184534908901220621015112266091538106250754127735663547874806692964628341411891346055417468928967903984555268670774836455496316389287586123170501136740851571112591849345371457427286187091223167048384712043913718462786085193657872793993393603634221032918610268315264661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 3,331-digit prime (216 intermediate primes).

Certified number3,331-digit prime
Certificatedownload
Certificate chainshow step 84 of 216

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790791183 --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":1100000008790791183},"decimal":true,"detail":2}}'