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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 #1100000009064917515 1,892 digits created 2026-08-09

Value

41645766307491379620854323389468616882387227373150072630741324530211720790699541714660714669834879122907708717357839818393025400220252770178006596983822836210835642637516018996608200311072212608144923592899318928249551065493501412155314017097717812422939705530028697524505107540263706606047866847967812712589233449912537895671679391463123609525863559873185578628880308613553303923738095218670451697671133278861918722627234450660018201360736075891517999284554483018579407920671763226822116232549584378119688382743505330832737585361552531441981980253461946799883999640214993387804783267252700425158267971596775304399796703856352245063088918581480112598902518335043117181997203912491354570733258063388700527957743544547759379983200579100186248926780983424479075029200873878281805649997187725198091663381470868135255554035818512609250462125705651725279415192598325685252920028035846502110320340617453323129194719432251471181674989556168906056951590580000885503983903472787883561632013972308023100935322709110167408388225055377912067106290054328435405933523220239984126718398230028421730566708876160969835816622125550241143876430374413274694083111230503294988107844077241651569126803040970024522546288064037045544894895490704079391385126987472528812749562423865680422188585731346455413164893794551339926574854754636998897776986673552808657667620569405465020217978257624097532243854475278266252020952945702448442832596230156726244814625995012542155813764582403863377141640857123632449435186287260483458185151965525346348104262371203174604316277825233198682045753529340772553874410454386978581187699308332153348776114022805379795200824728618176035130755338641370210891299840418934902375095761747708311659843679919685899286289142937946666664219385516838407739939218136794035056222092220589829925260375666382092255311391693136829405553240387639579471599436535142326619672098847833118193880429299427923
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,912-digit prime (218 intermediate primes).

Certified number2,912-digit prime
Certificatedownload
Certificate chainshow step 74 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064917515 --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":1100000009064917515},"decimal":true,"detail":2}}'