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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 #1100000009093803495 1,718 digits created 2026-08-19

Value

15652462825526782703576094493988929507538590707868524355828661508412739522059916764195969407077139560587255751785486666775682782173660166294963004380038347787038577781969368930197369898142657194308028489969293764885521763419793956085085802833306524387540586499342983178907455923062998071067017631967039459797955205553412184112272534052410893273841366381002235659536288346441908671710830038665937062139486519434364839814325896720869762769693303180530625718438521660386174502521711432033611844350744366541703202495480457535261949351283327590762516775030556712010656204078009388526980689519557988504668720921350824731961684524752208044197256893516724631901151732717256955101830002600664323943328526711244003050269068990952568094304867927394139014977436214676841358481205136553512834955453440991014570745823965570828660255368065193363104886694610280428121985167688421659903601260467501669606741094510106605322273423754803116829274754710542497314282775725466436623558785364227130795793468624473199215710931917079146041211202387789054155133645674647905727420777523517932724351482781121235917471674830137478148977966499458206266818112845467158473339239906415779055196057830800660166483557139791944878369917426008359019814368242003461101402551657777532954278198741263665223426780019243914463987873668136122810850552144261349193405187256761016091780990050861556546585012291046938058155311121131565400691805003605227901032470059009418849184472097055467659532926223477451347362728393254129269160258492229122787953916303931467253313817627969334616564034155178854323775795683491319861021612700593634167892240312259647987468161422180843532067415822330414826625792042940839778687940783583738836261202803958608538290650727133747168189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 2,195-digit prime (164 intermediate primes).

Certified number2,195-digit prime
Certificatedownload
Certificate chainshow step 38 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009093803495 --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":1100000009093803495},"decimal":true,"detail":2}}'