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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 #1100000009080223897 1,082 digits created 2026-08-13

Value

70895378638166843367208267051441847995297452313319505882088137418745594127952155065011464116562367131247295483071961002031869164641838015302766125666537149663832476465581909991178820705379452824514973181737976328381746157777875834960451114370655086512606448006955252212249545956534456960919156469308144221988334390030355917654947685236621042225221277851144820337809148953132100643464119423776156894256672275116986244770026487159832884489715442695317629137622319438688082804351498768981545274968225153732333970347946687781062580553488750425519382906209872313386782068951815706650992728182391956676498763903601036875362674867902513324221921854349166463914456242300752660497832540090105880645777535866328451265768008869278595362385311684204420046954307609702267588685877312212539588121414426110228827664807866717894583199333732317290255772302812106860838710684204271396499476420388580261980864349593956641053453468438409803548107818405887325724445065039284578475960725009265786560322691772637816959805863248829390665992809222142104078735872436186033078383842457758920173468442253181773
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,914-digit prime (148 intermediate primes).

Certified number1,914-digit prime
Certificatedownload
Certificate chainshow step 64 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080223897 --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":1100000009080223897},"decimal":true,"detail":2}}'