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 #1100000009043221898 858 digits created 2026-08-03

Value

535134935407600219311081207100564409791172302964659768111370551738303678551093082720076249606872587554906741482780484710323255048716200076953898928211513884913019625232039286204325052489634088271680710387499448720048195207843866596087998925450298118496586057973946105430460676990990809447923492483586815811949379270443171665563499609491769084915666541091056085693367637356618614831579597907090385642907380246327212242613707338003280453607155511880406233798284865790165188495648139125481840273873856854927252964270450300271958524647179905873350889117880381288515454424311157932230689552879976787672998241183115356016657113978460966068171923348354589907017531421618861975183338947109095710539608361135498992950072194989114394027181080034464602633340903991165414034490116541616843252826300944606623485735958470302615452023007709925398475756695039565295782797231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,351-digit prime (104 intermediate primes).

Certified number1,351-digit prime
Certificatedownload
Certificate chainshow step 40 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043221898 --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":1100000009043221898},"decimal":true,"detail":2}}'