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 #1100000009084004638 1,741 digits created 2026-08-14

Value

2721941212154483742838474788712915390082718749729365015601800849791348027444630463159735881534723457993597658459797088607552020464588209510904825260257888190457916643751026908285178226339163754130257399739029215454241386142909411845638629162684753281575677617908097904780146397424125182413463862624716289268296184979005143582342944558003242014289981558712861429180774603644728215253861290483585877564091590534198348513864843150407266707262068224765818527342496109588502920218323920949879700562170501229230954675614029085852280233836856008546540007955021975383752836193576364860013800085209127807462233166421753004507607946842905641143170671326033190244485375950768911593632621064976546079021903428887015754544469132574075120363190878998641651365838932038316066128948787343280649957528787742371520583745526007318501514097858568617866056232204971858551528534676004014024375744326252078893784072234173072847714692555604734472975285504306285279176807963325167678151939255443532103099037672225568771410182843092094219388867271133488072461598092281222773003024255095253378035733457546703514604367429543816505906842952947656689808707792499906319960674444352269452682210465992696143738308731872620145152891501524992881780760269978775100343967335254297533792547895014565848158302435934746901048358849476229813044057230891429888856723054832008569375818500017966134527058872661706540873923006165267484709637097571922945227585854003671551596295009165728530213625720896250174147724280906681588105325065497966753516715089451676764576162673757751711725307670787813040455925492476309997815351627770464346489922684491838402674897249320913586284083940963515415507237023423727093297660644405865038982873954624221700397205711403791414464079714992615765142866283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,939-digit prime (155 intermediate primes).

Certified number1,939-digit prime
Certificatedownload
Certificate chainshow step 18 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084004638 --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":1100000009084004638},"decimal":true,"detail":2}}'