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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 #1100000004866881549 1,800 digits created 2023-10-24

Value

240312672354309498575383217461716418353821802942311411710146154021042517535473375086497563020636028202282619205132376280443127321018284616581369741805568023325040555150751170492870398577309263975180988244707761044693649392543208744400792520095472123600793745182752721513198689324687590241972877075881397585246371004684565363103194068678142962421982850536562659038630900699664764799643117001498993735715798550743355816063406955591037467472489758640480512358634104623630515713417141300965172562405332826108478227253229671843688003643399719306590984803413128431072616186985782065741384104534719145250576390156324808404944096432972645229841252604101417686563193858016584995438985851936554901384396533278798113977342917909074752438988273214743175697298415952394360355432200335182949650462474639140251319637497714859450558249302915395773869441378746482296640922077367648484871067083205851544948961017525018733255547027242911776065798934484284820725993399705476118409846647289817144505577308775111710900699758431212949006512375275716185597873873303235102039961552347261338619239397613837272485202169571838766009392785513118703284411276480112303831158460754052033320837202947870997335517658259998949626785965868466034014540863865024432413279272846957069273454193310472098065829679094732960018820517268864021544260815213019601903954683416338049253382660277791792948490476975659742035170509407939633946992461294409894822208395575770877328492184713117821576948984732133172051669866177297500835172588391590367802309066835681960697310238126166209564688954423908498482665279002401220824033223757158963430378094695342404964113098025444235638540815532575306636954398748856100478918223157181877959591819214548592908311897467104406906307669522571976900306818678958775423891478762626372408304272785869633611625500283371
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 2,749-digit prime (301 intermediate primes).

Certified number2,749-digit prime
Certificatedownload
Certificate chainshow step 92 of 301

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004866881549 --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":1100000004866881549},"decimal":true,"detail":2}}'