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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 #1100000009055017065 2,197 digits created 2026-08-08

Value

2136203010615264836282447565465452666528867604047277765124128545508220742465264042689726753030960325239978627773528299831409492330584984300382104470822915053405628638655360112692350669678704191957971183739589418123561018356217747201916116406401820732316992851397132563877257615144730367764255782286190340166135745830297849994688648078458566451280612553005572124771996259730403343549048262427920134399878743003340642331397683911297357017419064520188689892240945291405412975014870618797097217807579811955650971835688105771779350017482863584642292328416485524128005658235972860233444128623749316143914465646878770406013010273598234550663674821401571580488571764417057663441089563807929470264479761275565406155844068575747276093388512759523124613244788685113429232899630307967976209722109444006774258428369599403019732520420389468594794092514701701568776266371146225500366820138481191106734053321547522980478598467884900262198432019393784696328043561312441360049235706910712280526530187930195583138320025667637074601554685151949597795078971198662974385342419823052438532219903001131915101626552749217541657658395971211295776085148225667201868590062683948737190050328110733210596700251544613711457352184440849739347125546553203739444094695603008869593862516689996884110802192804547808258469743695350367331790066775657601013612077681851473678486835186825990470682565459610741216939825130528137925942330566261088610221484575074649691570961241356671466199285416790464591140897625331591992375066406005443228530621948768364426654670930630896818442128240764682786959813491456238504041765070742338506894684359969390152097173472551492694277901896510822234978228150245370163100043128737177221607092078879840676372136881528361056926609809809606688298163872168473186074391682785440190578899215088578197715760503158628956954008841030537429993816886886309046995571011096414017045536810983807830599924338284247287948243449686970577580730704213439019974150903777670646386430914974194983331442592240199910267696118124185357202638675489764689521762070224330831323585720039023210642789488126466915740461190197083703438245576035965023500284796450471153018286743891007330553993845203001396113058181136281901080190566887781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,223-digit prime (167 intermediate primes).

Certified number2,223-digit prime
Certificatedownload
Certificate chainshow step 3 of 167

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055017065 --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":1100000009055017065},"decimal":true,"detail":2}}'