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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 #1100000009036772739 1,819 digits created 2026-08-02

Value

7031735935251216971669590416044728394626507227860372451418942602164365135099526153776296510903044509663368491934598030158295760215309955161150034858405798669620494976787579170020282266047064086095379983185481401888656727150672320815929868473211758877690022650124043348259636785189202847808069388334555685837880108112003037324340503397342400485516867373946061663181455679027641449381291760409192467196644309562642797490807352859219424145816138069848868782010816872951476962562722931021738515291953227032649512302121422475994108681138667743977453571655342488657618009952066234513023670815282421150083728500384436890905119993978576127737386781492792745872552988097383717998061903238408682030437211842106198084728772915875431187928827900111663047121223691994899880851473525510201770720302713299078214616150121678809507996027871942808193783029538917857913021663307044706727107794176841821124631171860860595422975335381824447919793537427238632802565598654724337526953834334298188961969870982374797276075357846195705404465034634274032263099023276691923513283198678528836721227624111732431063020382163947821286737179072773085366622409163807354081544108151113059737256014453768473381635197930294171366313335944063190172902996970561782381570592897734292818161066159940135517374235888205805718903078308845811248205102823348917575940635944109930810550972375556613143021294115823952310183123050195672786171692411430238389682570109321163795021103063087514640846518223548484740868759390005625408064054907132571775570728241028346065708362707447514921023727346466389223185415103345970378281905162446883692949365389525847115599508792481544871106983423184107910465928793702117592229908112595772090926205484763294221586145008681113525281059834315380893897142088455088548020785213187140280386930792136836716708287088611506324452640331576257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 72 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036772739 --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":1100000009036772739},"decimal":true,"detail":2}}'