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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 #1100000009044563950 1,183 digits created 2026-08-04

Value

5883856947797741774126799405496910421009203048162973099092556013236290640612324516037501365595954875171084063562571888885578240494458176578426494876359311626051050485055374844342015029382205788251209823890774011609207643356370412503333630415067837577456260439886975548782268736139665638140794864350090871558663583261178526284203683445792951057157846953318151389819593149481728300647270980157384941776164180319304904482674371626185199087339786680586989041146728138474829954896021405848049196281765311995489607708618624509634531163558920118404994613049314405531962969300804258319881761802714975569857110204456355924782976612118152893320953475866757661127777114793964315542203939452385355522945939572228246775949993893237266865873511179436980156067201156296035353446152588403782213145900121991595090759847302058384287137340040214364379216920212947272213702530414714013680226963982181041902390541528488782010040575885021704742665291155914791992200279668315114387553004940149847776200178618038133198881742359565349472748357382305536150714282634934206061051656213705243183530633521946680148411512466025784120523682535146433248438514239536571333164677039028628071177539570458061753454391297
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 18 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044563950 --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":1100000009044563950},"decimal":true,"detail":2}}'