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 #1100000009091972287 2,037 digits created 2026-08-18

Value

192405758859461947950631618982134705747193460671039071165034955946564782048144784258051653759946212422020733187629989725757810043758901604649980975903807346039022029369650241162032266038659051595234363600400510199669952710037026510253782156702902671547018315841988686328834625490447608033428382340976717514437080001170277809215937532374668997397182831532456579887534018034381244585034310444987938588971424104650075164498682874971224915886454360693488946358422249231367916559160063384337609195593180472913784311020887741053906239658220167862378097875901043264537610825575129158621832359101217824367626607298489897527498127168264419783339121503705534916603883696640864755469561751297398045043309056481370454265018723203130738597261432634292382590463469539459125971017415949139431134440884317474671666232343094557619232708057921324051162371486276257080102510062664233381739280426134067928492784933796728913117827006544766347575675425082987827926481517492896212668904209248727057807439490591547326367370741749982412183466107753959977280057215657684905848991081573894850605248134283526026675008877343294155163768636155483428009203009378786152472280342779793831928373457207039722730549165103363695330146817797197937488968559052467821983664104717985887053057201006775089941262884935729501263351628656824614747339780604107644424563534322942373431110530187957956254056774414085495493251049588483622885213227136678907720329008162413457794298423701298375250571755678151820122406553056829832459158010155925904546191427600482870539562602107690593646879271523239969951332724029896034064978855670347882397066399926178461137388668238659873280028591518827286523082045021079611531119309603530542397391200814203041873402011212853315856524705314723970368015772276716986630719806378528851278755820067232066893286306384993748675373389614271537872706942068489822372290866481799640135450492615460925958241448003100525508821645438324551092350977862645931997510884889063851950651732521658475948601633601334726184205683458843568248103146877916760787399175707390331
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 6 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972287 --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":1100000009091972287},"decimal":true,"detail":2}}'