factordbrpc · fdb
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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 #1100000000672342178 2,244 digits created before Nov 2018

Value

520158041804005604822598352662790907576754113167734201750781918078266836718432633164470538120503763787060673484346721345183668457020245011121119623376304437492877196810483988949612265874975517213160298805859384711649580113568356157478080135524035799745584837240881024820933972233507405923454252693601351293843777068289853060803122551871599542986974347010457945063521917112863400377919050986226392859583522651289265328981035458628872602741876489703490826638713668892790927948470215994628569257913218688512048803178161910168486989840878013501251067317331509986936840160514684765856015313848506001417642074399657243666609657933063275142507778680200829311391801557442994965729458767663000445494115345285409321728757515566815735022135893276377123641436233334958995014433101713798172808472690492751782472767508924377719350414988776873159149470986407957624946070790491508752347563169406579984691100576107909286472721098322238444149010465304532505955371326217115656880493549961055422114214364891801631198630522278267398869671912759615963384691780215162966520900610585498212783388547495034467098875089297562740928540695351526664287361860059936159972357664624421282317245040450591953837709252636152334165926847561724040304252011576840558974726936802733662247216865761063790103056430471835002871031742215507695139301873185884612513705130778356824463376269177937813604264740026005353682614790319738148001002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331002331
term (430^853-1)/429
5201580418…31<2244>
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,244 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRobertS

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000672342178 --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":1100000000672342178},"decimal":true,"detail":2}}'