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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 #1100000008375789198 1,470 digits created 2025-08-11

Value

141818582279514396508302690860269330926221075264032038919687911835559694170690749078652006802631656203779336809342192348973268143002614567427276698149139442535395380592930045677294288251100601241694617352018367850273068594204879081123669470250000004280314663166778436778921602913362589993173363527419006817835586569115065405874062152265724924711983630868945693234911818632762943315007792234878649815708877456282579578761619869927456368251798299444092178866612413613465248477150783076788689694680831041267495388056575802622866794021080777293066250139334069622226848648272530726740858729694960736519882821228416943128617125182650753223486025173190233963677785695140141588886883086309727974884114990792658053353133922889271853131896799992374348408255602558869900145232448324525256038832533201573585636102610886417117506572680817875346592472120227129920817648500843864265438127603769092288136061130041986301267741627491635606846540045777208730018966823032822960108929888752855708958628943623231389347022469874837383295091647771943148943593045420860507265790192707416073935024981216476262987187507221103619195492819541267889277620175054847851283251509182020503647821808954394856400874589348226685051642151820218411959099092801901049875624291301847982493051766604067455151172630624021171078717548581281043374370691337979005666183559136783516599232690480019405325568954843531958312540877209080132913886745719070360224188117812949266666069237744175551107895827478680933283463553
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,562-digit prime (171 intermediate primes).

Certified number1,562-digit prime
Certificatedownload
Certificate chainshow step 9 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008375789198 --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":1100000008375789198},"decimal":true,"detail":2}}'