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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 #1100000009058004640 2,050 digits created 2026-08-08

Value

1244491563469921073220178666984042445816881686287352520550595614660551449181491928600621915080028426237497883115128040360925473195974387636218750181147501603421305094331413785904034047061575477477013600400349072633197253171460569836956699428631621564570229576049227836859542535999427473522022279959080522485994968773374678206238362860978485801020028855078875606636097448802739548965535819289801505034788154332987113682100756001712526418933749545381396342999412959691472621708957618990096669943303608946190730814370421226138243075515527102358705944456521393087278207616567220785968564810000738527577966545946084032351192023296385099165729329464681164618683880879900404787269484489053278565948740879873167922468478282539227629083385687141897160625737580174283704497794343007923454742305485061541219582558554675758193499310738561067646172449608014312737301789069553955973153974781516466534756472233486828789847433600560811904148148262339287080495735583802776013214583942269153693770161367759380217565208839005097731820756387594617886734937202357065730107473939482946752528519653114220009982039685910837316190558303279393716346370262874651987804851922076694839880298785976486772112365692142185581230992432800474491156805775528578502749805912421906986913690089011143629206035382256604628756286158232251331082228783888288013843934420121670317739276473738867339008212198689863988828544893776964059441012639874081940615623218671405617500276911693941707953857875958676723546744460584824957776417903850319339647773745187992126296733133689614603712285931213191246615824874060207858586479522585845512467946603986025030383384888065165918159433918905356318841156947958772195327314491677004955903766786531322147058346044416504818325690594193571333973507376028298484208642749562325756374788667494207425034342353233038236173125886645358944273443874252946742055086604235056469074864346633884934059470663767111017357567590477356122751468872069057983194337915817029264230891651144494153564786046799635096768007454845944058688250285695730935468555023891462348746660535781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 14 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058004640 --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":1100000009058004640},"decimal":true,"detail":2}}'