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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 #1100000009065701640 1,212 digits created 2026-08-10

Value

335985589377158197441467604983685396832733199855360140527376176442258701818752494532224802381040008158907520519630271012594968066651406079493577533996718529168051197536047456824442492895340894335535056468281593240146818948641608180298596889424724860710323581266735418156843558761151286438091784495008491198555425219394536856031932759609812370776939621799009149288160954565566788943099797166824709059823952433026261111267680740636666760454375853896836952223142802695806119458148078332490048069861085346675197134206108065571906882787488627764530353135032984404168475598007462617107441690848223359466991060601079952430888721792531828854970959892363240550281238820735920371270005049294214963018208043441511787441886227282976671453452648116315426318955771417304226779525152485526074027827953463087545633322881355508668127157868274438888860550418202411527575835700344313928924460064165456379423618171038397852149671404764715863861605307399379804039467196018303367166078366470656388580698689588448880096561739497717383161596048431504519814937262583537934758926745530640094531973407708881577602733619674771724744866689258555656397028281633541605447230750549057262446770014072502964210796784356561979650517545116302679697
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,739-digit prime (115 intermediate primes).

Certified number1,739-digit prime
Certificatedownload
Certificate chainshow step 39 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065701640 --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":1100000009065701640},"decimal":true,"detail":2}}'