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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 #1100000009078966419 1,717 digits created 2026-08-12

Value

8847660347545937532518964476240814744683023518757507222163394654524224675786054046052522975446793526621007536047044795102794958500738103361092322459681761269359940372732489162731843329503698015898398539917954525736263213996392483568644865298187956715472544326118796766255123285161824530185357800205123274256679764321972606055952532591650580920500484176578753502595631504350790568400712024962106328999069599894014787923871201059416920460165744788265506565121139666540959072201708148131704652911041909840417164741970564605972803612163765285657168510522564509255685473967676952894929847488977619662240267336708399663796074153366685044205645069320711385626302602950652709339759479722510889540031845032583541156834721761682588321749512118459948677339938370685647755674554982135123797868380691734571126887263052408251957857995271336085533421940265959743751741174066941745987994171878917773941954158662940499479156029031248761609641108275860467209576395056839202282273685658858621282736534176402552037826765649074653934003392571076180433033470736675437707291168102043427701581808433233067255867418587075618228531690143231895165633180348871164623106265307707423038059151478095187204589420485498557323505568923607322836190736814149415453181219685394258011942205343822820382371214100759857301730289912778610454933884871580859834633317617495652147939964809118874076076196684816837963647452456688553251291725782620375308583249360398759981152138543173603214464993420843651803260625427048804571508220813323123261189131404607379531286354046922287740067050743498183308662543032054732371038007370104435243570011237676406275222700779742375377799035965282112604478388161680145649790516391167295788645396218786767627249255313403831507083
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 29 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966419 --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":1100000009078966419},"decimal":true,"detail":2}}'