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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 #1100000009084009091 1,063 digits created 2026-08-14

Value

1429511019550297363074816101138116025976624103728661647076705643304503993175374383752548246486737711604245652846841613545050204825986888006070784361868964281953661672186778520363557355261530869138450523206721071819746189179410449951572858713163208291969379192917232064764420818842363311411930662432652525653858831022812035133853150534025960883827518847471423354649384331475707058696486968574676381553267253331093213459166013822529407780179826860700642592079741855745862305509427500835345160075952291105538191187224101930539615674245123157254436449596064683136218002474280683494064199193824637373233550823007383568411090445158801109092024277771534502551605682991537322415004563325627737242555340068427774226769004542160861298142575841116849837826963062203757869514165550689005935964434711782187969919732866037991507731167509765837833444442160822870288069553605502317534596246740386719310707665007306584958143183505221650653118452445209046868037276126125250192335499181061223199091365741111431357899175242027050684716729124416229553061566163319121144329694711050469
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,942-digit prime (146 intermediate primes).

Certified number1,942-digit prime
Certificatedownload
Certificate chainshow step 67 of 146

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084009091 --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":1100000009084009091},"decimal":true,"detail":2}}'