factordbrpc · fdb
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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 #1100000008753399250 1,965 digits created 2026-04-14

Value

488609360540727768994584466489858581268685128187403961241800753126556339343988623912665025729157644432921264160774410067043513827345586281800419099173654559737448554504637689680123960688776370675590805013311217511922450949940053244926749732286281204682846863892908977939273128327191306365092594047140333757995148787303272347491059029501503554850933305311245859534175298915347906945510895505408925379272453772432105694076244835339883150074642209897032502327213996786139552318754776228503463524586959409012640886268298499019496909624843085079317817631906973323128444686533447872150934161144425905099971977103636181642030319788773859931110672600143082330727044051698277386390228879157197939289649057513235182929477118832193921905646917440931463841759294817330528276601214176285136893217685951174886843866617160679144493451868124432668656128644722846841284023414692313005631340016486112766720049926227064230887309175745997868573471011960072723504122283565496077100770090131307329991204193803684987357194108537147829336748605338455477717487426734167113906487118527242642063872061999677049645551722208410335131609343038945088021340767039718297045095104279815314929378823782057617792661430848871750924506798816407200569742337718837693214658185208970481954713786761660642614198909134162354292922248437364509834329843632932166653055417856062199690190350732591056241773816383769062903756627535597150349098733711920864697979863822465645553012564094958152323328665067721221529190117559465111331120739193028100061923223626549107483283651488923758678210601684822355398886109438802659133582384528007152827235705912715967400657646760962937650365793280040548128909083687213458724831544357063243691373591687168392676540327744717516181259969078395729573411468952858371539201480232808212455740338968407916144160805149745256803764724202539177002363906771923453749699551497124166342425780570617670720647236640704646541823787420867905786501953556792047374461068445197105642667097796491963
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,746-digit prime (208 intermediate primes).

Certified number2,746-digit prime
Certificatedownload
Certificate chainshow step 67 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008753399250 --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":1100000008753399250},"decimal":true,"detail":2}}'