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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 #1100000004895989493 1,690 digits created 2023-10-25

Value

2908143940318619260682731299089733660084345012780664316064310663020567582374606704030979504539458630454651576848980113532092190552287018955284855386640462348505751163172441494258892594771588620840718744742261539479834946660012906861535125900725314572777493314351227537355560397951269288148177420053594610630970216935711405286889845780487655748327097112771247182246162518809535125869351534492423047886764061090866746186878330616637900937087757127115994367827698511083955819283431116586167215086028495972986949806697205199822150677713915959438618202152856614611971327386120942594755051139513850923521395695104125998765488443680778843296257056375077329147561251315910349883247187602090336037476541603357427088215088902292022569623247919355487351437917780188409695874227567996654435504932722318998775393138080770646416100056036491680080901300512622486856629782332957206406904927442971440834694338865969063949902525688827994263140897111883001566963251888501470914094689064971992961543453495446948010305372332589409519146690120805004563038675312430342106499800549092749806970509024235951603029570691879322269674050137139895383239784820289619285200756783373743183558129909364611802046570060178006324719196765727898291335820790477154784611457930894506132004541446446325606875656875219615897409104004936169898994997198737973871690072387045966967885355356126083805456936397286047407225175452286759271642432943838272601929771893726255958053060886913139071152523243636161137169645419864214215613857486395595525894085060878663788128777018567600087980900436393118317997302886600691700762423198306813969891334536197677217253701753187441496567059084295770519945854980052641174990879574173585525506864309929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 2,157-digit prime (172 intermediate primes).

Certified number2,157-digit prime
Certificatedownload
Certificate chainshow step 39 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004895989493 --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":1100000004895989493},"decimal":true,"detail":2}}'