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 #1100000009106881785 2,584 digits created 2026-08-25

Value

1771473716444098953011975694408523116944382145374948063970450971476951804414413522755337643444806643974042815672563706025801100410136149967506727106651981914473471464131363219070930421178691086240549993562297341210171377725247571366828521398782169078102064096085845568604747884284320196535694331242274704706003196373394241278205303863633090873352206280965635337617178412890065551680492032565702012312343173181357073038797511114214999240093091204710825291322704564845353246834404327376145702277224533974873250147076299992512927914890615617919534107950443910299695206755216204628494584450394860442596846501139863176836038554602050457366738230469265110857432754763602924304132975826731310917991851024124022079696341686498932614120742961915936608200393107427680515080847729521369217122730576104485745649958283740244197855793194353126027545500046765350602764201413294629950083395094603387770838949796035835390414293099727885338363116576227311420016770254970540844583832013561538578352050464098272074509413126848343527636544862456686884461671751408629482446808266044487619572880351222996865086316125443215989197389603606191597194510694383466078985947374588693215970921002848862205615034346396146324902616034611864662725852706989402687718981298337010829348881155963679782077423394472692164719250904463347316710787148417735499513292863044503272534699198520226964103542683070820284468063038225003448125240728288721614694181900101531043295461467822894906241041582276526017446235771525993838067517092121118444993023778893876562206897062560011464606800127693187717788088307286941304303042292334562402689217061384797886136366710775296766274238928823624367678140729894217793069181271369526683258892767216095326714704286849581036364804212518530603458674960998501084605971367020269002879757368966501533932954736039951640622581366316899345583505605583421949480596354432783355090301891423724967694252191173160439743150717713687497559491200675331319349972351116752977188201609899733238110896722404628208623797196160976673298933138977803461979420604904137236424141136433153375813233520128376280358151688666503505159605361648261106430322760204152690143738905836507315061447132317939517480887094241787881914857988807343173392679759055142154832659977410874529510351082876654144156423171776166698054796714325622119550639789923902790955199307155345238035598867439898731042673092184539861417139984213780348930384476061685557868846498597793466574277692553382063853089094621852287613417849321329577121294111786529302779989605845838378434724728892989359852661139006851764942930768370385089130316685354562496421717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 34 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881785 --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":1100000009106881785},"decimal":true,"detail":2}}'