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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 #1100000004870656231 1,931 digits created 2023-10-25

Value

18963445630627531217973996698411823909093676515475446122256016441823193823704845886175016917767239245777860682150343103458761587147389953984869236282471938093164304794670448483703567711544377527962411682010355645130413971970909485359782078131955205511953665532100853896899740009179949561216705345396397707633673049231104171351453126345664752273411176545968322174978359338145962844321874473734317529620632695559345397314965644705616205030604529873459049412322598734047768307942263591010720540395099747160272687665145335450433022201709757311186732083377711532488291434259502124968630068137494808779877204286139937576513363093410353451458942696920251041511744560784824961513720309209507595109321919543308985209188839793529538623906770822359766976632801536351506103825762517292094109349324387210803087824189669963977051628561970648654418046542723505861194250748130555232547515705339999295477817769313330280612315721601644448544892114957111071290837953446368503080641031101480278936331401113047480496363160308197288637682314503670218352877199155807268552073002361381485820864460594904468130473220469950979115521607353364644489471820320095318044391673989359307330770124878137175773128023529001686108736032617881996775610926672346012278953904408250869987564985801647798778623418370710070342035508722756553822154211491564940282500417312041619923403901635076905176111555246003912142666223557529611245405281420416305261527360867254500517752704902396843171639999053998583534138414754707572059518761131644501885435487246091043935293541448387421801664697780559779903086369955399368700582740943267213148812974471724365088130029899738959432404409462822051950666686517043182751415434094359823669964163020292103874725246354690826573638411972368155803091762786239808074098502164152296788259670060081274352972556149484375318853083021826768171844810300761754097664616369396443617941474670039326276777936840549203114609606343795110491547187757181237301
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 69 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870656231 --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":1100000004870656231},"decimal":true,"detail":2}}'