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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 #1100000009057487011 1,239 digits created 2026-08-08

Value

369519188856145767707272897290349067656421633621454973082914514065153362524507519986764674754253044654050588947851678778006311870182196802300217524696807005020847456777856066719261535225457687037459364534266633721987872322173255797715628004310184623131817067336865732690052022262286461788277974793164872533520190698314226550044945453540306043200877235480698750107909911968480917292658576314961915560958915909728974172843259102693338078002054271334973769688393246164584718878106038460183559084763654250368574261937769663886771237523637057612042794964691383190198018175060988549043084618358088888452975517987798761191585492585680613446228366540388808354991581900049554430685533151333744298456470049735665975054685874801497303662817377121918380927199597500771630046959393877013370879662798771981223297046442783979864583594329676264204196606262722551123534936674473863029659728496022484540537624274625400994567521040118487161624473571019466954505238327171245154114569606092979019549731463782084383148196360578258066486864632657489570571985968197636513637948555628596102582547642732179780097295719977191289325787220202272677807374776384613153295456281422790612052941519264185314521139214119791617450402682501484974094398158211923250566710686789
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,354-digit prime (176 intermediate primes).

Certified number2,354-digit prime
Certificatedownload
Certificate chainshow step 84 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057487011 --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":1100000009057487011},"decimal":true,"detail":2}}'