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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 #1100000009042287504 1,263 digits created 2026-08-03

Value

118143949162368402130207498603354634523364140747727547087025978313633188439007526870787365616941683069340541586845943954451789201095304946739031067378904797789427200599961218305120165172643710937891281043556622180018736405252802185048011972565504693669329727528188443466468651920456266195880066108109652903667473543167177496715565829252303026398349623238683976157510000087519838518260588305578384167662448985186525416382109304189935688413960325044913189636788065090245737940697052901271833844404701581188408034782796961206319126546149014811043446340213320024575327368760885562318227852135463462216242011579293727788700755250671592752757426250176718461207367185233484032535954823878181036628344403206509779503505142505266234393762212856073905818175958453072853077675524626439158105869802086529726561839415350865027261629030720960778539948131614598700419348208749954880742718612435860816394968003757370254516842600971476091605695878011522683284342122759179527975822035284849147118414775761388308933813839789274088246206773151935199326767774435274393355295031370055263850115543534243001426317875301170980318694385036049940786354785984344984842951247404479849644453299421135935046847339998448183149927918236386382877555810945616911682710832911160020650642863458952053
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 6 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042287504 --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":1100000009042287504},"decimal":true,"detail":2}}'