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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 #1100000009015272507 2,419 digits created 2026-07-29

Value

1157929940052273701100553450937303912057130785505017174172567008841082560372034227252099823015899143224403927734582449685988635405681247222346564728043285350473954041886462940549051144579497783055083369951110182918438980852418355936912072460294876028435418285745590845188620563684007211553836873360190729608444745578564246571629228892532127937016482720183252070821865670659592719460409635191416311905199308938915881279080399230868921650829212720487443401180065505161456526150879452725362558317401705874598792653622652851861574220376679019147848347690005570356993070834216170747127532737404463577768221405920289725061589326505820652541765447329087306274121247721137378198246477962354968044644777760782092801448946343769365884287466607120673603493189914782993468631587666336325942886604474796625640043498333523741452187406286748397310702893036915517933287656222615879555429001279604991966063796438281992057016671168314227728807709434863973093888506802684509944286805267053712328146073427276952151026640603966059936606729874625084632094126560094185086682711554561295371016349802174292268940813660505052915230448563282543499897967442090932987391628668665853629363669548673760820348071473058486749377083781697597435599404837712885212246285720859684223224014212637005858946629737899221707635945653480579640811236900469421645557397717731549800627375244894250630457520679996764669495395068675415235937723671770249868640716502395854569653029529183542740186343994280750682794657108704926546669957307498174379555358449137958168371791380738328778179802052325303960376575877045576140395795362931414272753982055646736991960271582309724330770178078059022079267934375464472633310060987005042094369979476915748982917524840249916528788765395017517463134152901463965098616052474275306049162194432854063618377041265997267901224248352294621323175417114363178897347882707945794357433065894813140900874350058166406230854910095093058560987883066695844136392544291285986676396255219271575335084444026421254774558230535705850447633853845504771527768771190044295531030858252200359217538709104208892677965086203417703417253626156090392485684420962288982845928168290463564574158960886307021654407143148794383772586904339442356772892712708560463556775344462402048447760149340829183539541131039432678384090027466489866217217663836413908843598026136939878155978641621911831683456879614201544076672248127217618029911915449859928964205566227807109944383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,703-digit prime (190 intermediate primes).

Certified number2,703-digit prime
Certificatedownload
Certificate chainshow step 20 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009015272507 --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":1100000009015272507},"decimal":true,"detail":2}}'