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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 #1100000009054058549 1,865 digits created 2026-08-07

Value

67371025123123501782960639904839540146348595137102518657763769438298455891186685936349573455671972384745321851848046184701192227943680882879557103746042391286615527182807318236580496684811872370507702750447205072384170433920630288484783671803715056580790779926934137016991399239155300034944733063957612337827041634188995512912641280083604842274923458765882474491118413627912785602690556322033738454462241861824210410527264071032077748843867687156971743336453529137435850629670121953059534710381655564899318315644344936242464407946771852016585811459781256958583109660866825195484486238091394500470590912420399401946262182986986802842845776187167918601124666350872967800654678735392278232763689304479059157704878491688805994456924134447456523046354186291316558070293473673053557404927873620073409284862277486950290185915273172713039194462980577691926858863707170289270548850266450293414697431698605424612529668102388545529408054374728407267017326093235204849490026890790595484257670469642787857486028788620641954276166272018966840348404440372711064188983798798588753964858393913368242751255571880863175861716955997950813581642512013369257676111932697049276086886444595873026550020230551448589315648945785271910707284776985049473527206876919587963323881479761455761357292390583314711654411301945418761757592196511087517304389678032841695803094995503824621301431395351669865265134752486469866268545173975391390977708306320351975410018466440463117586985328882158736220270768455264834412754931225666625733651862578059264462197832263264105948285146075664050961293467671772794839102377359132992798467010843385031619235559445594472865655413086937873024997481748795781372683065029609239617983316031941156707731776102319171879991381429208452838952696835898741941905238522644475975559312587252832632119874366992642900875829210409863067293741740898507645504662408253723070935211
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,411-digit prime (182 intermediate primes).

Certified number2,411-digit prime
Certificatedownload
Certificate chainshow step 43 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054058549 --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":1100000009054058549},"decimal":true,"detail":2}}'