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 #1100000009055123954 1,329 digits created 2026-08-08

Value

215960364933398639843054030054345954828071183734187411634951366725369714817327960839954579725900004889198186554200926661292569534741396909430138807721604970164066080399077343228857066703113395144641496272886687739505915909585372885885854746361852722796404495283521824551177066358920371746695143417222215856608672726529506716445690954565351152701133231798748879073685642305951353366143589335020989850719316382113824923997093569854667662102252647199661651587637446592785915849547216060700648085232717196234982572525854266349820618668257433901038061275411326991784951007758216005294279067547928068594595388762254066910656474944734217563654015224407838592980393045132752973428288342414071653228283188970700220063668208724568726393648999797790690045062315817558563066698214853109540839005011212413679386048085282750221808047109239384546367743236562877374449593640819068522425098858041870396230422092966852152955796330692922785169642259399421094122600679961893103287196759103093541661334932544792529749584855462605826874695249945733473636898321282088730422746839058937762473502867404053351441485041129573741020067877902997866733293155976052086695322061192923828929394441474406531736108928316309468123430294049616143205131617613104239918429509804483206145155097828854996628345738849470143332583665607074642985233238185453623031426011823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 93 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123954 --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":1100000009055123954},"decimal":true,"detail":2}}'