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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 #1100000004871912253 2,477 digits created 2023-10-25

Value

87411476258555607638942296166051612651767118181411371361627704409972547600599420796071310606053990100184449011603654570007529280981496439523538554096336768725708744696461801763805915669904302064408639744967285106695435845561775630765396742206722740804090714725330527802758915722388543030935258709881691321030908211056706217708744945374948032055985139388930199427400328937061320007209910502774008076640812615645840269104235696037363322682239273520786154880972662713794245692329744319741261560410541650415749487297546709847583414241054643337316943123184060997297029685863706163168143678564535732148254142269692179055845393571513354891711636926925867975661325551540914307447826849375570075489756462159306031726692695468309515810484227425814149405433339845006185977164902664446430729070671526036573328198960647357506149011736326955175853636483602550980578713315847467757034021469788465444179581879464118755356792561902084460326684965246223323553475283093701748287769093190072992817399213193836002494444766066098226999910274572417467381514374912079135280337943938930118882273105875535652557012494869822786088621513343345656170281453405407167039898752107392649092842424965663897536677525438382662178384633147650571689028299868830078749260616235946989005069136452422552722303619307944082596844277298385928961844742582019713328550573346996368102309649114954839972978344579583688604169984140359644402997463710760124593087993600616773493829898290225361407547070940352112449213273354871749577558049012880475067778768920323449824256883730099207436722018759299643273309512137394061254662663770365186959038883788332966752822926613923030132881437315698506165612007814928259877319759788916946816332300211382576608996292592396251606717539409361262595659501166830371546966858960303234371077280580699876400507071723554160476256209562005300452562253660022182920976183758701559783607743649337616264046304708388927623423024842793308945355463591497550464227960130518866198585924293909488281624198724768179632544541675410739213669642944946662128024702234701496948523430909925336097605751882087873452980529592279517627377472478304356197874109464688333987669433973502572932803095780167773832126002052532542563906277019435759176976152651756015540203382205332334714007355069801115838721023604096880240377372555580453464462316370283621944796486982261949073861597474001153090122429721324842154500076827160356144745288861383269759560175053806209912412116017738861550564645274385130847362630065782192690201807
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,588-digit prime (350 intermediate primes).

Certified number2,588-digit prime
Certificatedownload
Certificate chainshow step 14 of 350

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871912253 --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":1100000004871912253},"decimal":true,"detail":2}}'