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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 #1100000009071981112 1,645 digits created 2026-08-11

Value

2212536692326624935123995780740244021675592873027681803660086039827018819339953873892905926086801292838699576547675587371157394516702881200837304859737410466409179310283135739671647214761572250967745014165564861983421926126420114942933908395110092398453331150589061504286139410935007616288758783422970635924070287405200466827248198292207204202568835288631121924020675775300671883858296469261881598307735106522998972782417189828355539504275563695271481550211316759992080590007650476940095221406114978031902594257409911937142493716630184395768761095298665214277389897500649318200658441585442210232792376373231787050078109979695038884425961967257422136531612865299710165405600444219923332328323767399955522725321300570789122984699033810087768245835399853666278200182627222086721412965052003364621993635795333975049922061487535805794579524517873847691237732229145872397847234911870078585362115590661772023471516880015424002451155010111999639814222694323116869410009482146436136069236768553914898676253607338725174827479673574712915547374128006577621837948728321948011175545272980874854089332567098014658251061754336052301101525925278869816296154227954012136618348127724243404897536442193603046827800671590555903355957008172069793781349976065507668595372240190293659310275589170106148385475266237651743437156801203249502807711699048473929840468328581555947279667976743801206282613144552158986197888802896532303785777048597921691713776475116816019596916440265947579347901304723269156778529787621700680675851489873878534501417307807207651082018059579140989738588728146615937372948135426467016449029574165605176522824658687756865172755750517348000173323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,793-digit prime (143 intermediate primes).

Certified number1,793-digit prime
Certificatedownload
Certificate chainshow step 12 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071981112 --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":1100000009071981112},"decimal":true,"detail":2}}'