factordbrpc · fdb
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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 #1100000009047454663 1,343 digits created 2026-08-05

Value

21205174107623755563625200907731489799795277417071306396280017685859765936666503087602470280842207865928716006991508501945826881386469811570307888755488546626603749706214697313867613790126898608263329301285482632231573267015288344319145994505773880378092946993403315546249484774531745038798775615961492288398673531358659000397643095165218742113141523002837005435393021369454651738243242790112154065540879994323876663048383683286506199452632172675877938233880120048224211166003657215268916559985543828144148534260817240976582429164094410189909164981320732984895538055608675668265384337589988946785623003517933493696826164817576703883932391796168043202863194885010049333403614061556237521324676530685721809236616852506831410927415691707032899998173284243551518299796297066941087497064879728234801710570383540129101998460242220505189099450827794742372301454769641423594122810152092267068464082314269435903207289191235414349944584764769183535169748329610298094051865952264376230642079923404564734590702363548175024057670695930309131935155576732549292283448658844544954621186138797767038747794836199315604209869667788876131164589695666052345755053815227410603553825699867036138806360370656169483538270308473140838009640290254020517066637386197305426707715397519595273117277479379300909664246296478262254311970035738393745715664046043725274512924933
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,457-digit prime (118 intermediate primes).

Certified number1,457-digit prime
Certificatedownload
Certificate chainshow step 11 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047454663 --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":1100000009047454663},"decimal":true,"detail":2}}'