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 #1100000009055122228 2,383 digits created 2026-08-08

Value

9581843610792998560860771943790193683056885998714653093585766502711345479802956550169909343645148079847070250141771309225290185420549869673671250747758886984140554586939918872327951357275619438227816381703033909058156339636733709112225962878488641624403820297576489747182316332088540685413451824912539746346854536052706459463134410555817789928753716820640131253463799837004487935907231647753766108501719280462897913273070831850905680851882590196652996526853756890578695713457019021020594478404757738451754262777087533046215065003708301612348480927484823442926868665452218515258729348057106913155701485778947653911714596415669711440188873808636055474728502372537472825885345516901629020958556664493567278739032481399902980821701974189952189029488372629145623598025645602641438455361348489801522667182321651877143618318129194270612149413551274684351299250090412975608486885080020592531481878923743455071896661242558879057456612458851264250483664925513353598787235076644848385611872466397867074256570912489743054230623300890009313887754102612422421765615413013224794877281971096158151225459956775299904262639331406141594966335640355269661904574975970758421079052873429017808237523539572376795922110786347855667008688525220945575671309317106870394099779901344411725473839564043130221165023599752756534704243874724674565611462783133566999760983148692054841137616823392872060313277913489064850386588439354988927553379853926565072857201993688781391057391050691525619045745313465017990656251065382910239907940758621973155037291344299107409962553223645652489332313021530581330080632021000197436667404569683209777012166326859622067950029661680514828938344787812143592521016441490582374787256150068030859737039793112612385727579613047893899762938456703785321533087213253349029722102174115675201269539989086706023003932297763668122161665283554394417360511245064317884645755661769565734730221672890449199598790318534585645690433979436503230752210719931329309520952725990931383538101289400085653640591200318064913058470983055456007109195674605540287772526360312138295121560783089120243664646141705722217864997892111924542386207758617439533533211340156162947188471675037277806110764037360797151444660728630449475985554294395256617380876989503108780596417627727493291575227767290007395525577490659782417311386567380859991195836607809267929996526690314872396803952595779854742168918480730491744527451
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 4 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055122228 --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":1100000009055122228},"decimal":true,"detail":2}}'