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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 #1100000009078622277 1,801 digits created 2026-08-12

Value

1185546976574846418775185805223795955958077422394646546129407810484183571681994868199282145529721023865746306876869004371178150708750722591914492993632668955775480657429684524835510070669962393524896223865008231682933677884653802854785950622022866540593128994440856497690098533997447207317441013890646248041076775680193683759622203742971848991148205218715650886777965361811027693689037837590302956165846221630489081934455088525542698912675945387193521316111745115210550014653038448009291321525868197723412120310117123679094826494829806187629066246925751111641140300186100731665359525365425395308132441130191435676013915302256912664802880582822565873562901725926345853213552337675532164578480186110701725535242884205942751329286716836271290449024744952531951762152486283803109208952821792302710218570889434801897861804481240963903537488043428461854195680966236366209446597027800501682276828420871943248131268789611537981407457169468299550572801593854403781061747920409896032334549038003391712455950919988267510924813208616330106474958082830376036755086758544497088785591972732853481695125514840593685837008111008838715002430309698497513467953321130318906269781159972440925862176318628963891909428042535979396218935146031058699130147314706582341118358584539193296055396549620744819343198019011135514190556932382282332791899046955198517165596155996256246995969221430230224261809113958070736386957951160559694336302619833253272226391347294867894454026125877377279564248900635916152001518318229947202393983290795583567253218245866379627712425757978176549735463124289396771336971873880294264437294868825879325884358020713024201762869357821427375664285715735774602206769108227198036565423500626213755154012663581624059942422592532834470457003478992751392754386435461497863234536473202855606987669438000690841
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,033-digit prime (163 intermediate primes).

Certified number2,033-digit prime
Certificatedownload
Certificate chainshow step 20 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078622277 --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":1100000009078622277},"decimal":true,"detail":2}}'