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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 #1100000008793173626 1,490 digits created 2026-05-07

Value

31825282193611105555190882483356989995218491692579296249111162153871053173898574586619116682481749124948391026249912109505607077572538971241422910438298038290328230614498366985447518324699074877401981991545954495468970972228418704439176986083773304168380247096066785843204124383280921888801960980574041587754491231761874387541928042177730750386559410160760213692969928477786771580654598261514818414332479289370128938965606074424595746308526665782622170165689843721890689619217126241240675305499677347250313772868496156113926829757922170694455349361894432967250412743546436641579981145458392862641751586388168439804434701024019640366571077899020926316409851070864382276206337350560268085943454658687767749944965164685070911085434232271268856028140109502806986876853574988204341456781538572573423845541157334812927309125217670591463785019566353910138154295440037942388388464887534331647246585006948972181528504352346680867828610540777513190636402026597997799686659506524648642877428014901556666679703363380441698786054473597198985983458185401087895313061434845225539093170387961064886607307388234118998340461142005694612171388100401603380570294783165237859268510944732780397367458592864705539242397902073989611348282541484685422798305891753051890049816601481579198220793514074319777131653996168991678305088349535336221553789357140018870588545698629695458675147369611192512540576202277561818249762909970611387522819829702478010755049613615187768818663199927164363456341066871604114070957306397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 158 of the certificate chain of a 3,895-digit prime (244 intermediate primes).

Certified number3,895-digit prime
Certificatedownload
Certificate chainshow step 158 of 244

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008793173626 --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":1100000008793173626},"decimal":true,"detail":2}}'