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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 #1100000001155128728 1,839 digits created before Nov 2018

Value

942366797869003559297791745629480249039185512615947988164294598741180982802942037933336554729173563222652061363677828763817347181927969481257511654873286155729332494112455625838219025121345771160847188740097521848501199041675212629916755228322136359391658946822093945098840936356127105749488673396918206594338208472829964152594435922030779729992461001810584682579175378279364614075947420800710799251506329357734519827990996768531388900062907818985557485491955291902961220800469157676295555799604231306389604468187812104278956869300832523524305540856306878206325697177229633590145926950827343755773563077182686333307144518023507769256474491183253966429936486147716961113656528203738598307482113725884148999761959679218498537586815219778733594687661865601928569073650120733252830006320768609690507927439734256823121702598775512341649408046370213748117191770513579246669284510479621991520363903252695521123598551313364982409789081652303199222369863155648427270297825825229668464207671840975980616933829404614483349355837878663415172375430528522995702260307943037141868232085871881182115282578960261922856500998969765002158708566171018720332970585222860545728525838765102077621512444679098304364193041799530984964278496282779866651025695578812737573448196077397916804579815359405893248684909459947685548415666103205431529618538312566363800934385103481360945349317920857910622050512940130500679346209831211440427309799029286225001558395969950600635011607548563391731328328345621166012202459392161934460421072028153527401239294297533627275120431205798186540140440311561876889502716947933726965865394216797475159286994848852962127813238415365791829646580752760854602991962940400592008840411448727197660047783777134458696296291264906977048079241063265125122730314400224955109274028634141051698544554028081151546626958252533713397480176417209581587
term 18^1465+19
9423667978…87<1839>
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,839 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byBen Chaffin

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000001155128728 --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":1100000001155128728},"decimal":true,"detail":2}}'