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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 #1100000004918204848 1,728 digits created 2023-10-25

Value

562639191950138988045121116343981381528447411768760686531361938969972488384074255289197401072642824097268425946687514569732507764658861936314081733494700979322157940022260331043915839677401214895876748906753942722847706244677324199382980238758383715060853512417521992553552017808004164840630598753093911224646045399425624908222774971702643040562543802917101745076067955534488499630469196613371647220919706557088870913649319244364860229563099737942508518981645006083708935142711128985037470813897850595369071064895805924931150533164641950039660096627761556026232846016787610393617127377470070121088544455109538784216151235884229215469586549982525464912314515698463472750411795051168491584593702357187067618413571752597844234961045407639120349518376084400646513922773671022148298213028522287916868783647347415656411901505869483896501244986475430315809270113383936589042083026497881168721061621995513553498933515258030627205208971721617922518706619668987098964627725824756268370341139865662312501924706639706894591912981784183292802181633430350187292881851960617609247934814851580454348694058041240620024584656276613654435602254484945529365437781318350520879397590775219360484049522080234642720450432973681041221625192845923361551739478891312974163189680550385568535378057394314025794132328853373586705335303161856529004675834665317668602284753684679447452910456130224836440722728288056572591625136559807025893714087571705200916983541581479963568426205488455371686052611805451269999473871677155984586443852852335322766543577194241241473849394666390798457266876977864174311752344123612149244213571086559075042413713635321905064631710808393260045835430323603136581268907755742106296805244072790786663074072761447945735868871958172043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,983-digit prime (159 intermediate primes).

Certified number1,983-digit prime
Certificatedownload
Certificate chainshow step 20 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004918204848 --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":1100000004918204848},"decimal":true,"detail":2}}'