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 #1100000009057729912 981 digits created 2026-08-08

Value

126774301744178890103153641924005506335797864206304757637206069435274798489241099825007895436573172484715716324968874173147883969516177902035738421747824528221790937355023504451129826838089551288935974360778801941695614289152462144107970979826457171495861109419325012579648640217320071010965946417484168780737498139100684956219265089131999893090087857459171846796765906784692830948229195861385296951059817091759548362990198852991921947451435117549183665474965254851107810470606892451862874150282211629465187206551464638150532791931539541163149120242522566334361321696307045040204464387295082874778539481432675536295669515847877224460962440646721242216252599006354944398454853543015597258033701283511716599732664591601457462888354845106283764244366582886799337635800297028609639643790803164661019803541977995302300873049276077010884731628818743855573932446907499920133087591486121235564172932042172964547795139849462711307291176932768924480405827370961264142659797350922798407242619
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 59 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729912 --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":1100000009057729912},"decimal":true,"detail":2}}'