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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 #1100000009063857262 2,335 digits created 2026-08-09

Value

1632102208808536674527013322576199028225026990850041239052101753736636376462750608706755090033139815045959404248107632611859547718339790789837036054992005559556119565529757629690200861217926446812389215149075955901873813982980579615190387080170017112115563059544584027448943177307010589307593061290219911998496611932090288482816181735443259409678070284382584885476723756470342608082162845080121166584844251247558913914748441652965359017618731806898442811511214680835924007073907902275673024255790750907841068285932166044642231273298995200926343472502635294868896296658720472462644469242821534037685984896500364985074622953400113612749713653703401283459744458010302746078446443602768023286829053823070332546844238504541851869994381530622343754090886236116035071057606111353626957092422353618575833626976863945138063446486257296543682957342243521958090605584287023056555529395620346177237218420436089545627237333006391201313878042146308852573292083214058924633086922277540669902625882201887954148460969396541844185441345105772015372956462689829399676136267178214752414772862067791435168932638645820795448395126368815145466616230746628447588589481129633858631212328499451037864435332899017446911549690610446445920442393648323519326025227295088012826755727465568136499978842607122637752957484009619937324327207949798610039592198271196160069891594537245587673837952147810881783932453445309637679519549769946236888051972320807113258224260145335864528491235473915878902487458625650015397337075208504326256834222121145522205194345904830680036618854937604845354206202418753399955881409655282975934856120696617103345082732178177939977866328462540042535238845307574670948244849291854938207681619584005823854379756386807405460152784436597607376159450642653344737340671112228492978598798102465040498693055640744320566774604783889916332485848155081225944417839813223168913780242415717137627987403790307971088899325414843438490544807924648002746284104697502111660695612648977416998839970951414057816542240846857047625370217312658003191367976724071173498525171443448378189901175952005189680889007243296358619932372312181332964012582219036090211399162293002230652532113030619390671995523227140065442459791738404843556606226478496705012611102918915492260013089074768390445927834770330897466227601222593122848559355878053006688937072422925492641146757889
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,571-digit prime (190 intermediate primes).

Certified number2,571-digit prime
Certificatedownload
Certificate chainshow step 17 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063857262 --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":1100000009063857262},"decimal":true,"detail":2}}'