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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 #1100000004877739038 1,206 digits created 2023-10-25

Value

876557343226838736544219567303298584645616755830533699739118854147032099304035071201170815322237607264590693642723917318416121602652468838553878091033319949204703086967924147111613754215092240817532580768853500876379345861738185586025433252459660758474953849889442587509477843652217670226344093806200647965164122648665363390969509612754911784943059423478312335497103803175327094620233109945709966727910488521188728081072738999705296515896917548931415657789599701437580466343362024652005588083494252940306757667967206163679518510441155950824008800171329429334056941194819551528807090640724196558675662898176417070911248994079474533357908433976787671329896719117044520231132732071453077927865190262664678784272461966548793402422757922473484581009314958078534048848173661383862174988116076022135600746862193408204108746773665051653074721786811592571301824780277021257212657032394516843822148898692272471761984451470364634771083199739638407877323034964786358157479414706455828319362353724871186953921734324610922976215779941163967861053699719081801993674942743676326695766677210311949007569869469894392561412081327667098512376414157492796200816611038571523348270870911135132098055720114767600911205057677222419
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 178 of the certificate chain of a 2,441-digit prime (350 intermediate primes).

Certified number2,441-digit prime
Certificatedownload
Certificate chainshow step 178 of 350

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877739038 --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":1100000004877739038},"decimal":true,"detail":2}}'