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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 #1100000009077730798 1,844 digits created 2026-08-12

Value

43316003754242582158841060933983055014106356882298574384638385998887639845672059384437248966986332556267438342763199139587885747378770838976490838819146984110089830340556552531196698902609661734039019152238125159312868201308508865569793357570470085895535138103767471561863115348943682718745690545601918803777108658494643183821289213178370531680489083051620508214578533251386382374375110603873284066350105449014210436444788169096516839083141893910283979561555784715588911431265432705449940786453569760365054834309769516352079161783586868124634689828722910766579599328846851156706948330704509261610482067259229588394749773148612662012553802256010418301365309916070859594513470073154885223721207471153026120802460232375534327922626996470079162328441190208069155721869368530074715274731320941337595319251851110707482360895240640176644108669248988735040627452878131620092327973033795676707391167789020240969540966879065469979510631557824388367571681741022050803891486999100185754090184317767648640929072886872822749357094483624203199404089223655283869666451184026377190961264881169086624572136108683764365552341875614564039682581067267612434187480426866797517035588314440840503248392420510370547342842973910030118088604189754686576223239544841107240164091258757958039541352198039401572972466229526043441993190171828217234888261327542972332273149957440184741902651482719178970451354517600495959614685866391563858426678899645302867108351021281809731887364432415258634433223081361261739983209048877894331787518184993651101156368306204111486632577994444758642204650371633251653539589354872920420910801649980792458135135046352251446121514290441761173284498194515801912576165397732686164475602404704792408805315000812297340276880970245655961608190969745513468693567131119981946061073847322554191119032338131767433092179348974777076441143297643960596990529
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,143-digit prime (163 intermediate primes).

Certified number2,143-digit prime
Certificatedownload
Certificate chainshow step 27 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077730798 --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":1100000009077730798},"decimal":true,"detail":2}}'