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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 #1100000008676650187 2,522 digits created 2026-03-10

Value

19081106053156120055801099585188625183361925332363930175984183585963638199675408119344570199976923328881320320769877144736354648195288573986259061975906304996492613000036003596679700590563398027999741669148498964877909569808873763237999271386183491204844869383880168647533597990083385549091243409963604263355420128506103801835092786984086977130008445289930876548544461680767802862595674911861615324957638385351495397776865681237058936987244552212407807495511992741490000281795266865690307324882553153428316026225480831525720369503688978172376463088722103113808162606541700362288220988270269438221979210216957327686746550371180526184358237317129981692554966668940212149467212285384737711415823592686914112247510013769903580198672039437384001432482628603697984482784818899181005521263972035523849016801387253042836196812427659229802761850254696711296133914762970483771673891787482940532066882367466116126557219406037363738321130863034478632477546576240388751062973245139968972977651135299227414161541277244851102866691813578544873543592848312320073318027233502758311032595363008938915179548999571909388621620699816048101254086638895169281773186006424785974810316150611127354179822125803019550076590498372574259526792053292681973930286215219754354479438337166666660907108402240578706973637263086208185148375936203575250825642599220417209324522282429746815211066307603970573815180258314953181763811890456802205810258671894374992719154377059102987846768102280111790317426632552375508496485838598822525527048061120351762901521678235787204241298747291757780768250749687145155881182271161970142996278384183507021373587366682891381731943174596003641269686968870678620704756936201067708554114221723440488832837533638749265570630169533318755223034539130686918461520378311570885391509845157112920836837272691342870890776971200869445449559730351149488980846776109664857936254500889444930840899616347104093553132766965104019609976864347454791251542223614213401025854912246851018940207777044658782239739357639806757604811543403476560721794048458604536449666543375839381397045783881446111371367145303188045543678451946090087182174799774645540554497143003714173147215972071998031510814188098658717050794514601898554341167457384676771556723457556565793654706019892305363823875794047204673594491139174597101911117228830206071455423569958326961944515933064343439641888632479422235409251899114385488907982805835727764456630458934939842553459066102051740805208240601552963227560341339947793070921523215764737601542209565678064091008160949358109
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 33 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650187 --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":1100000008676650187},"decimal":true,"detail":2}}'