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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 #1100000009055622298 1,618 digits created 2026-08-08

Value

2020287254217988302487208394040746269246405195691279773748595018261927164752510749985255995643692933694619598985792298596925034226326147744149428394100747963824736049592982450284066375482855225917225301513573057273926702168222068689548384821647310254467578983019895008333282063849209454477729728432606245206279691627773696917706555104872343620214594759127951566194595030471363957604638913907357626243859640897598162710405083575396992964012793486702735356186612517546168015068368760863997384000699805491572034599625929872618837846244858602584905186605937340957494175674879529235035457305627967374288173448442030166802051236064985721249536858303348323430743017646031986471210375342303245501622559859898198181707998794421930253697429397918458372363500596184188177402207857921605532707323345911345475768852305884183228334570727916576386342988104453455815701742326179990516311886949074177284943217474832009967827435819964014765784709875762250296314464165501983465923698321293830613196381531226159861433113700383538819306887969382762733718722650564032989937008694667331779644992784504077255279538632550293626508447037249593062375488850033489310836517825058461771829285592616287799852437822159784867173287394738261124779921482834153496584681585581683356488790744735038060761299181897151573470081309424988995222445837637024976472465446290758805080171035906486201410540663219854034115118437024162672123933860600965377902566101083951894250316464807759104465308445720396352192098523291192579209226607828049704233228915655504094171298355010735773371966642179482664679520342525537113868924988243851056671133349829589236672042774447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 2,423-digit prime (186 intermediate primes).

Certified number2,423-digit prime
Certificatedownload
Certificate chainshow step 63 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055622298 --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":1100000009055622298},"decimal":true,"detail":2}}'