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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 #1100000009053028680 2,699 digits created 2026-08-07

Value

68573702745035191461428353755923656775271670438387609478476765593107163528302224092021294785618609587270305007618444869600026382630034687170537471239715352046842325580087549776742864335166661852203718701399465280819668695843450590008265028237925901732957690803081012273451848276674003052978713338558356898664762224308571030469109764842010032827147982921806743632290826204895204819827267947171863756220038025907984000341929807844989875700278280374273036458029167384333437287315436872612318602423336505693590850290147520186230815149301336497411767901860123037599341275325220772465934198581244934038198432733125189874214705184200554091664694410979174804345567037333852614517337240729310048193939702005015942415062435323445440330276265335452738884198255799405523769935838003390358987235764089471757841786691590354971557085717901317480999460293524161904726032680670137382426666279926141488564362866864628476449864379199246147612345197132547500707129751454239115728415716070549985602438618166851997293989608430353243815588476719585931244111602505778159039896720091437628610981398247874254222175757558818830350294677669119667223232556166639156500659447567630128161258576218313413423694937956355010623533060700889632462658956747215588560309848229603436569101355222071364841483570074085712018134573798843819172341675813352962559318179508093434823437141240743759108920957624142613776513852811403485462450848937855931233632229959255468599056845447794736423791782750251048720805177454687866768484166906703098981573123858195286586601182682752708682633903619065828101294207655739674353149059778104861873821295340423129564873079368301883149540576541579822032499312767394610953548135863482054787453406843988215031171104128301299482488188053433622973613876695811295329683362938427432513667123427053871684414954806209765345799953100764230398507165401299837981634108588614105023221414658917712763117610649144714230844915239478783997638798953562736210488657922977850846949312954429674085830630318124378775226360811072516627409290665291950299550796716451942494009140389897791413466413280258028595963597614511520058022890458758256221684906887942416632796882482131162380628457430861263216525318097795055360798689340277124671986315008572600946087053287007171296395016697288212295173324772722343601823219278995561894185739071133290897915380454093274028812163229212988250011269668331526565908125470870580059621892787674990096823309892856990027340255023494602001207931673828803619971090125112752830237865346318496964054698283329915339048415058586510167993837688138997054912068580864086721572374062199864488624144672567880730545902098347502557556266690853212948458389525779737698763931828096927421787390004408132347350385429021
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,848-digit prime (207 intermediate primes).

Certified number2,848-digit prime
Certificatedownload
Certificate chainshow step 10 of 207

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053028680 --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":1100000009053028680},"decimal":true,"detail":2}}'