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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 #1100000009017777616 1,077 digits created 2026-07-29

Value

101287843521548877564888021962837115356094295234487710772917631308745591631836661153886813844347564245290310392934090088047489713632503177624098955562080531071457543158608433995638910331308460845345087396017869044420542061005845790260264323943514852918065966140202265493698973229899973174436392378578825584320974450884203291910779257414881132375994373444584278536180870288368872023083655728493758693233357461618860683270247539635534068674306989494814974150175971124609140976974465965890705895324934793157260224797359878698208023140430691559600573401328550229124221093435547655334328954862621306711298397367246557193764393199829154342331263982733838755283250094899189364196959528292286730104009489385683402574108322097602624117930363599443741208657058727092683991227421822396385866812078027802540570976524258758409893603201365971119330744235404075361197446305239645720414770246464722399488601079905973090363325251260812581926069741556724491166715503080460012128399841052312379274393809532906359537562898602903953327579724270607561140266006696324731793971276667090851638399246949
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 122 of the certificate chain of a 2,710-digit prime (203 intermediate primes).

Certified number2,710-digit prime
Certificatedownload
Certificate chainshow step 122 of 203

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009017777616 --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":1100000009017777616},"decimal":true,"detail":2}}'