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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 #1100000004945122212 1,573 digits created 2023-10-25

Value

9517319428861518747131861976877995835277299072177738958257746196168467258092494676178125259641343677324719126073317174126922923925786120483208887034080441566473444774670883619199815732193868742964876866118153046281306857895981720164431834361753252513904759723221504695128038628048439636775533036294393295792466695762346359245547214550727595031357225108597074929861836953286159045068197609693354710865738154571668792648599341448806398311408542749307408562532873187360753243200708267934526404995957632060188616293710767267524668723919994034586763608990362189510151517002956827972755791847866998329339826976375806416241753902256084332369920530473529314707803761238265136603569275513145358595630149180660497644092144424775842869552131388675424744665396754166961810412698525167090148584364932278243143791457386860216131574818774812816297470819229489385695493551310278790028122842884443119610247635288815749202767391710008816913858941845845147965364035867487130780665705493237382961095930078349273808717766616775902086720988396279607746153995740577027493177065870146521599563692751919566398470657507372325277260232075194139592582736853034848307390674817501956001442736648629738632928965220246256927869990193963613065754981620351115483055606069905552899058745766246109336715898287039039229671717611769461293906201420228755625929571201673075447777202283838032691429990721793691180386901608950573975305826183978423175543459466995958029421337793278061444085025007031334535330083836700513101282406039794045355442017666449497948158854663195175364215686475570474781968211850249323697231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,575-digit prime (218 intermediate primes).

Certified number1,575-digit prime
Certificatedownload
Certificate chainshow step 2 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004945122212 --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":1100000004945122212},"decimal":true,"detail":2}}'