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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 #1100000010595786625 2,124 digits created 2026-10-06

Value

277239006839725140988709871425579227520025971689931148037828252904780961709103439228808774715573094622578937916014805068468653224437359774009327166241768754278125453958081936169421998752361371416135861268318567748597322866379483146622880656822683528975528152969194105684016859140172294062958083931236994755219974944724193842556840126035059274502197122933400371893218722876942801335925445582724521938610450879768735865214963862453546267861806470891372287159366737283053277397599307154292230911419955426173818702676892862887917510502282675753795038504354062892840145205303310045193188715589937534003883902980184983707365193496791163364900849212987426865436387454786848751423523505738169477802473158672862438261222562388716600024974704634793874296048831043614971252053942954492442598099063422784032749127147785823896324823768424632336740549241962954259865093693862453975003116802021316981797931598647499478759412738120979623651290741366340355687947394344990677843726038721358479117791592010235772076788679493270655061925329011871311541754587797593462837056574834768271971413863724142123862150945748464864374149341870795130926373325556448397266411346032611396538450093673084452654962451356674472042581406850799487931978091345577706571112316509934804518880476422553347269666426748222771066719615596962183763770660885153550310650320814864573307631827269536030231512739972499245101656925382639990895372080165813796549014897235780704897615729849499055805721406613745426852556658091174185851653232185281638043064655590402490962652649915937673660464853791171680572461201593685261982029869669359562689949843359243095779818598063601035444199464400547841305847978868456119814046634855137985312622296559573863711981742521052722025523797931267711953371235971031482699616200932294418860661598672818364449052124536477626146209583663173818118658548172503412785694636210954271667534236128001297706274484658812854673677800279786087883005553706597387763237730307154722641336771106492858809635237773367518594543838721721210128887719168454231916551385933121998435108176177450237577960976157574708887849987309862217154715151158285844817441995324657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 3,195-digit prime (227 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 87 of 227

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010595786625 --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":1100000010595786625},"decimal":true,"detail":2}}'