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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 #1100000004890743387 2,037 digits created 2023-10-25

Value

121600035371208799243867160284591675260699440304474523883973215967785101049513935926615370744629155254468945521905974113000551844024134058732621752718701049092654192856017628384626548225455456089200361220463007608315069303677813819972849401104818768314003045703619080010367920273133769482757680133827604324135213836909095433171844196848562084554606185905306382735094194647488219026136225286354684032055612371214188598720187453203324372280038341863162521509079580904216568510985377054453053882344521635487814867434641053763036362601851951093834695747012892516163028242602904561337013035114373226043636916995421101073190834506685140277715213702644460692195281405261822557254584474727302702539272561130097429141612400046183784595644996197330126271063211520147797743046280682410786041326168296845258949373080916378813975192205782375162901635299787268293423773933553323445333295987520408340850249250347149923919243723145797516539923520159081357621600292353152019400982558442199172335684839847371104203237291699898307162236284437156558955742477728002574466560514831434736573377078953501011762744599350748951840724535213449369675537853422727296973019010707442414201058508625070030641052047084610234022938223707747967554782780478734364192218612961600831084779448837757246306306318268652848857116789506149104893653255848705292686335142246459272909792945336066849985689326094569795171260979041989735967221620031823342594491954347516862465337148253405483469135729212956178317408621593410012642746672926719664352081420234476011447504326371424068301416681052088927958393096601046205139480099923105005459126985727394867359678859707900181241527806802952970740383294939093180200799690411355660638783767527749433333548842605387161116674007287256372446293200052998952497621828901787656663751214304290411807478296405107922607462587751122879244333402890980974492771790242542218141098709492089576338901845776518623951041640853427729564260296968363206142019314277775780238554708969018700620295438546378594973001464079577126380747479813374621892119357853359097
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 2,229-digit prime (258 intermediate primes).

Certified number2,229-digit prime
Certificatedownload
Certificate chainshow step 23 of 258

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004890743387 --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":1100000004890743387},"decimal":true,"detail":2}}'