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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 #1100000009054707016 1,994 digits created 2026-08-08

Value

11448076454429470195601336486872608189255576835822255779829695403187794821816122749448592967184195065004377197031411822985848753563532328180771794797678504520819546848431220494683111502922017429056648893075505628101053944595403876945081034778862469744901949463091518666160466167693988625314761282980915931493874848650733746852888972275741006756414357752565822192971806107408939299601490735359231243510147401642695764515923240225891585990887820357211169596740253677838603779279392309591361394555751339202036447319317324673240031217276498731694470378866072540983147208376847242972953303342210302506970003590734684661013525685964601379665509985570331165102782665007583337514477944410528664724429300199083928910350731429931289142843122173286480010534011477471919327099913274109069041543265316208780635323872766979697668998497585555661783172413965648368745884890397673516865577472026844521649397650123705194556720718333478274995418192772638027936033465261605854524717568218844427339893403175796901224740681592811046109805395039889772033408084412010527610760159430931223806755343896000606500946666703624037894976252301844061474653078060385728733018038897267357205944591718259629197534163856954758666706412115034724327797331437373973436156032773396548137754459125465984314152672040838424404285135162739597154069325540862867162685076486874998575302123983084805862729113585615688436780085004648191423983367614954817488448131109764746438309787102266217146683776604435274979555399463904807452481617752901920692744276943476877416655681683515754100093285070762008388046015568057576087340432766069942288401150114327842458440955604021857328965035065909733068540002482907464440407518871571880205373915439648881627878811674614901461750758548213429429039028502631213983489220365559710628641191099762474534328018818126635215212173251418928448166522754785183941885585783469287500974010795119368446441479261437468510711346052135188913399406975376499575979519607147766744804696213538437218116189344148419400328212997
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,221-digit prime (168 intermediate primes).

Certified number2,221-digit prime
Certificatedownload
Certificate chainshow step 18 of 168

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054707016 --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":1100000009054707016},"decimal":true,"detail":2}}'