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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 #1100000009076156214 1,641 digits created 2026-08-11

Value

326090558007010265850551086341356190460213340055917905241356167069505688907978272477964290106113473444151347545780473479362920742938181688784719721549355234932207131957757820697915857244409785362558435136806267401804467830617032646765191062964408831626802468222283540541513990426993516657442329612170155228350598524158883308998550004331526692449159122745371368159240068944609381557512076393199018451639758356764051779365494930007114875597887690003719582454135370054758539993459916843777078501941238992104944446002505811029503648575830232590533242374397328640136314565363803108946462231155822224586810155045429135437568390845768985454117202697808355947758780404149900083518954681032450387555587807818088075895045162550736784362628684093568685539256988266129014913164878116783122268328115877093419073866472410127376220079657008776665502995520008815550153460686838659528517269531694404080761624348002032676079295129043134117941204337817299958740645083708201647517354050208240533229717015072954450021890436235957398497461585289654235695153797892773223590541025942782928048735649088351979382480653563965405395730074286707409783217018375145220301133272611353116465574962563906285800220920651060810964209995024436674192532982205046904730745536668857180163243608420073729254545423660506064342400412348984540360321180140736391226554460105981229696296119791913284991209906456811980366688811546082940266221408899535792207445832321326958964594406317605919225356387412413235905130113136638225375137530828360335986824613353983683011625792238595583934735578105391721907548848221583365429929134059607392583198255528682235952520240995859841041440384972160387
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,812-digit prime (148 intermediate primes).

Certified number1,812-digit prime
Certificatedownload
Certificate chainshow step 15 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009076156214 --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":1100000009076156214},"decimal":true,"detail":2}}'