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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 #1100000009086732932 1,784 digits created 2026-08-15

Value

85042835602173307028307481597207217513166416638311812643837745308562563337385526529001567522754651474935065325612679817452203468098085275528416749009797643449731119900740028815197246371440005062034139057471828946026638175615663860818364535832925263717109809235775736445274858059476022467930646677142788117609667220793196078209822087017375061312680981634899641438319027520269282861819453153193331386924625428363196878216706679793013529095823514248999553290561943086568038241225174591373955940682579475898962415150533972916479154288351768429474797774925167105012586961158671043640195541177338603315559630699588784622921720305839277989874709824184350641766230623431000390322423144340259074735244602376407577847120461529588606614326271227172377022264841177020106981204240131369185026968648024236608591034466234728140506379480412563067822586179650133123776370746050820949504094643301008596217913084078360629129447106140456286130222298078518303985644750923263392853110335490002445768630641707413300211729046774804531712705066802046502939036630155637345677863093392342436634455033371218143624882443946427227766539849018337717000476399813853080088914085740744368973145091668651912903837042823617504890358816902123618077573785230545718085699444417429021443182152173364424304896187286938113247403717236163575440954282968761898768086882322337067316744692093179070990335907598995376072472998629983516680459796838958660898046252355788406198851457966663883843795019056115194379971029037675386856302508215130995481203847571734967651829174799526893230498033911799995653839017589601806893231899827813057704121122253665407459980040931473627470420077057310562974961133904951209531274342147235951303109620239965064823699871204674599821259336987551883098046929346404075217549562206448448418294849209455597
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,973-digit prime (156 intermediate primes).

Certified number1,973-digit prime
Certificatedownload
Certificate chainshow step 16 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086732932 --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":1100000009086732932},"decimal":true,"detail":2}}'