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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 #1100000009074148958 1,080 digits created 2026-08-11

Value

275599684132786549031591349899528475653091833952469489551687140711473762553519666443122119363031032626643139491872626019000157161723559712189673150703637921107448787742679844125685415149995404093183301485708470706248211380234491182262092564953106598208762693000396620327389695905583535911241164272461483851644873121613032662048408640703799288698616061602980176369818049437656150851539063325355659977546999389560873516979344076588084638454459713168025507467512798455785688992791673820879129269164075428099545096128329567271585157239209001668380000486581082717751038699906619673493069941854718442801430618667029787767458190234167622230670652359968240409811217393597029295044344669572913311451091023568983274828523554518510190391510399314098365256216366061315581805842463442452689010218689170403226616408015805742849277697062839639389676734219735147555475116707860189219814700959517815446028945070164154734022018438215830442360027470838007679745588919475937568570209391830802940027818274294451501942161979763664908696761028320784686291609061724119999529604274834596298667100923857909
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,124-digit prime (166 intermediate primes).

Certified number2,124-digit prime
Certificatedownload
Certificate chainshow step 83 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074148958 --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":1100000009074148958},"decimal":true,"detail":2}}'