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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 #1100000009041058952 1,195 digits created 2026-08-03

Value

1348506174897982868372614374138515182775825430538304572148466149776551311757705126286667824668129919207612208818596912543514027949261296830927059934881984441266272168306268327770988750370645409838786371429057424850900678754459588117033822439365629355337972306388367413657873080251240934758755477445520013867670806655828165876522790170375804827318977083159410688580238514839025898703699580069274568258068549496023939126377094287583137862088322337701387826728734788714014327754420787396204862430307156815669058433458409127814595570437713550824254469184909887723919147768025173166547785342075574922259404527886375957574939456245709161134030272979676450180094408499760225582641995403706812085276942468482322611836910721968725668843266301317408551665920236016250295226282353814825598398459222734015737769583235318842306871860941482710434456780474615712266876704931792562624942225633028260025724870041869389830396197147735338897620806949493023788600686306518395946452978831360426821362904580135884832516999606657756592953412784347458868689813347040247896281113063703597184691764152059554588694829470738987533257720099026254811182484811767859119324634058863900665764061133469716756986163785108500020311
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,295-digit prime (102 intermediate primes).

Certified number1,295-digit prime
Certificatedownload
Certificate chainshow step 9 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041058952 --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":1100000009041058952},"decimal":true,"detail":2}}'