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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 #1100000004887626721 1,902 digits created 2023-10-25

Value

530842022779845919672147162329396768415618826150562896333338985387639339172201153759662962513079794429824030686462256312460374585980900113396265058382697235975350965891295863760358509115881178358073847104388472816298960042756437655011491831627217018135622202076403698005017963806443500556879990807479767682247438562967518184383899087065645945393129231424609663571960616921841983140088997307066700996611731422529029592019083489428949783635639839200003506883751745567025885901225924234103443285564988297101517475455259431202910646488880890245740988459808332852316883049510161371993467430831198989988733516188226477035364349313915101532459025450432050595070633140057521039347558109244795978815772812359176607390570736015118987479911718713880597888151252989289152828245561482982032051990913179645420500485857399209079926887705775170645345740982483164366638857892925737474510622343404543233238789673286995915827913048726403253467165665564998456761083839814493038300323596971892885957849640230037932798654350445230518075051223360591833444816486137997805010969878533248861294716601941852457190536274367867645983947702717519922767360391129852205242229738768503444562767760264804936084294658449153522503000495471375648089322817119794069670208651163816990725426121598917672400715642075768722425669703923898011676836265725655333407675711524115839547789254666331590568221868815765841477916370991038661786548026191787519763166253850755678250782082559394927759762018313738560628431423693487794784362622937001260590731551196820101532606493960972719414232439551711006117374160539724276472813168632416183456244160469491580962087541963314001885521782997115652848008701801566159570516203111913831405617230977901299352311463220086535581400481926617184190910078184595527876286847056070437894221393498654269027305942104544268443064434672916494034209745348510096241493650880646757672901130832801787919317144633173056448086973
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,300-digit prime (249 intermediate primes).

Certified number2,300-digit prime
Certificatedownload
Certificate chainshow step 36 of 249

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004887626721 --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":1100000004887626721},"decimal":true,"detail":2}}'