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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 #1100000009050147275 1,259 digits created 2026-08-06

Value

11886386306067090452067625266448443055325255703175556908649605918547462564119745097834148003932749770259238392270697040888770081540071543420625188709325264527560361604447630939396075478933771136177278585302618012391458852948608919569563434432812930846009666866841968842618422476985074987265087322836563684377068219740226080651819592778601205234020927451338290690510293191296580864989996368578448096573328355996893725630322383997866102823600853812345002762391709183594642942838312970460954908153062935552523778043412031751338609862824009843294137997785503740222462264146404486485402926422615295875828819464194722393402851312663776597203312794050789724932378055782778467874124663958125049465020855326345354434982007494010383075278149855520986228975540728106212551027697470654380612477500218416112888198726026332804598874554599048562319348529918886014493198777127683993380165734839058455805529004640315789895923303191831167645906295827010935153080322743372511376119615683989016368330519993055943654339830750572767046117342893234147157133565959715291344988757114601469553583634673638384994526861391723364232676971692708557583837476098410512045414243745830566134084417348968439238695586178472174909424856414099118328963602443372385559996413334940499969704035474763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,517-digit prime (124 intermediate primes).

Certified number1,517-digit prime
Certificatedownload
Certificate chainshow step 25 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050147275 --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":1100000009050147275},"decimal":true,"detail":2}}'