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 #1100000009069188709 1,277 digits created 2026-08-10

Value

28669781366643974193762949626975780072344857031917147978474338319239411180263212428978838198360803223518510617062896903056323421508649946947316887658943263380417946030584857047478865078318330300133053117639626089372845078499764740178879958115402737037414001374643742671976826573178565707648076036637725872058671247948600448800810502837283364237273694306027767167059952664214841020658936505323488205499513170339885947342460428554844824821494778894224682322693424786129584070193197344731149441492174568506756165544319449129637859444564814578683768135927201532070330499780358697800705414996785775895162804204641165837846548122086463783531618279761100849695988239380791593448541182299178636944737034731879730210962268930670996735413682652912144614404784656304090731942259341150400609045581433858190118877721705843242257639501191096657695482287883445676728127354670287034511892543887610815952710437255903954127322055405573789848979055626618995462546095468255611019134070586509183908124544519068786962953706197425524752426744792569859205784084390703672351589285879432707090701359686568185535128949985376076032991942032718776047407374639585991476475224165228216475994403942151760770567554382909713638233268706710766619642478524971880494026446344990754925314568767836528526995887465939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,754-digit prime (142 intermediate primes).

Certified number1,754-digit prime
Certificatedownload
Certificate chainshow step 41 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069188709 --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":1100000009069188709},"decimal":true,"detail":2}}'