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 #1100000009028284017 617 digits created 2026-07-31

Value

41122359535351440958746415754190464528439149354793015071949432507280677254709283004785588942831278905581139572152349190052968030612094291139961979861829986147408700000791338245434824517512325196846357550493639686002249944721688237895892682995506338170331746612891719862222288529788577324264989983083692095535972942444363240012153392645624456914068413275773260792834876018657311247561198315923515860631030333443712012679769891547824833065561704932729167518675120905954118264507798109917275498555359496623522314562970599566754170106378795276834942352894852416292475028286559704905188071847356857436726219303662919128163
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 52 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028284017 --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":1100000009028284017},"decimal":true,"detail":2}}'