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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 #1100000009074554548 2,085 digits created 2026-08-11

Value

119862954303471951096319049198212633827106375870733659978957213976815745234723242055274410028503664887521032721932239417655743429947299522178983097166106768699827403530998200061946626807753448888554678809147430923930780148557053416326609008740459760475378165607512209627596007179689167552949528440852063569926134271140505505957911416041587729365569017614553524001920789004607964254015118895607788250472004154921016990006154905006859820934206307888763406788354315388571675517872343014054288442859606951127738119012344900272319679849103381386236989709029827368354890358583352761371645510967708043765225444902013392716527782715688354586950410055284599264590532137360593789428750541504858824383209554788529332957715048587448831513364469780334948869875311253463251322712977432037145349420296981051996668749574237487397073736178618811584998897816299276812283968336439495248600288576685425849575787999307568384244508058913193984635442685599908996757448381540458885461327022123572070677339801649430203304112243419612537646438000619256019313065292518571588158185877364533517457495856200360455990204771075334019349289700023353280389007528687158956022431166395345134146804583429562654408479598724678263843523399859828221557598171644758445315318513551168819244331829886743031571743678925831827396490157286212713848656253924697633669730991431007080800166183359754238658702417337945277317249977322710604694923060246586531070543413115139367068201335526327503543029739415242311857506871313786615134820642004978384034339241469030606401986661050710147614884073901333171742152664185734241894389392360512821601357814758754667512317477935843550176358690917519737878612273899503400535567529832929836166333032233538688607095215244501412483528225227518749745414765642271518165751247576467922608325089566052523506327750658368331270442080961580846563029952730726670603704414925975310569845031468646581787784241169932642192742474485870351540553535239765149986082565580168392600104016061154406666987834603440306220105497437504298022412059319085980565987286041216728857759329334886043402770824873959430255549884317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,126-digit prime (169 intermediate primes).

Certified number2,126-digit prime
Certificatedownload
Certificate chainshow step 6 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074554548 --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":1100000009074554548},"decimal":true,"detail":2}}'