factordbrpc · fdb
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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 #1100000009084007880 823 digits created 2026-08-14

Value

5090036169984225466866506897016724384103479078934190943047402554881721863834562860195394654878258503989956238640705673471419204682230453457238296355649950965407296729358756327396293594361428582721927734112086378086622336862549059483364612295029069730775300582333424783805000762186983757304792418195119051625911526511116908483995396449961327777813367739527216114602000438975654789802168270683932329140504317990683202188821063329917016086126335654484427324628279242987529390856926402634318128678989526722558789204306245740962114151667329428236464686445658013288465176200594459149310024172659067870779151006051641670253512973063703609703541995006293543443902405281916093785952206268881170726906673485265088083461079989694626461063453535779240161627083561440514021256535376542645070608848434644562572693590533336692808741029501
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 86 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007880 --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":1100000009084007880},"decimal":true,"detail":2}}'