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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 #1100000009132755984 2,066 digits created 2026-09-03

Value

12347906794091292008389068622486700771871526720418516453035892199674165038007456994291195583738645861710495189171988975321070780554055829597496282210486955975369919037470096213184230330562543124431218131708946596418202777685296558220311663733671218120758803706700276737902965171377533398263466814136213526446608907381648422826509457807907570436258979301728208380334810337145577691967683181715121340752634692189143867638758770960498317224212485532557108603289077352925086824529724226512943657329258198295784935722131000322678019353505034963198132539932589252460066086747832208945385069596991861265250535163928352657475593672993720695416147001210625362035698342687412657610796338419703018073964775451288572263834263812473157789517176735101865337389005354550398376581595363699977659831039617751037460651229010871944284327638592675035945426492970823538120089206451608477546519779562066156073470562626272410892666416999159406406095256946497780582143828018652381667095616237391288768103997655682658365590444960623448255965752227273386033291002671286316343451439926316435102882174684282071113518575907341100989434224670756784970867639506667322555782749725949071370157016147206905274698546958794326341219179201470876282684026863348549077614896018958805368402912251500606122706058737411055599769235840529204769945284117432017355873447856946434047089191560540881566404682314331930331891845725826980394603311013645305164113685865194620825185011271351601751883733890210994053263254049801619239926829731871153911532444457182398752186107120376202944732922156571889752517532934541019809159582174647782038720564023892587478246560386884971456277928969037190687450566295511544723415482502099506522559050247419994808014381095815368840951752159761634994484714491775788053942462104007338503955380821502372461643328022864632950953819125909738984766374848096130385679529232934743044900389177080033531121752535473488592707044556275666460720636683314392926652564088697135919254026461218032987569095960308497202944675854904406847122329503518647455610504916540497921568341990009477483339611319
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 3,186-digit prime (307 intermediate primes).

Certified number3,186-digit prime
Certificatedownload
Certificate chainshow step 99 of 307

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009132755984 --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":1100000009132755984},"decimal":true,"detail":2}}'