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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 #1100000009079983924 1,291 digits created 2026-08-12

Value

4555315056720067365690337382744279199701917757044437918931344584412013323977524915082078756258143287030176207230239875858203790479296868013040427513378647272861614491947835988743260153793578783906886140346459897250143796072518476827012673347033401747812179299061509294351168432565970918931052164804962577330082455116370162493858724848200778586427177633321480269927941005279730534559740534356003276175103157297534486954834660082853768504383295378280588361096770582824781016543815353599354267544405280939664805266313787203992861384276856576286207046644685572822672369862758305563303122765475126589478448809242912050377224019426084090442954903652695137537900697495102433807605044580226267719769112534213829930239798899123979168923832241602745169970638240539014143448405486262616136290380661709327988478474021108528881338688528477669538344230472030850313550140286183643370616371251383552110235118755593444804906739831604174493976007466922382100263605971700439976735001886236550528129747204011347676990079008821364821577117181876100859644727133470792216263178121188971159610401323008773516766115786223041161889922191231531022983620236643199829475572124343657820836603014483212709118537407770476582771771728665253416371072158417393239507834243394674358573917945216449004115507706654242704993306791
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,912-digit prime (150 intermediate primes).

Certified number1,912-digit prime
Certificatedownload
Certificate chainshow step 49 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079983924 --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":1100000009079983924},"decimal":true,"detail":2}}'