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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 #1100000004962024437 1,145 digits created 2023-10-26

Value

21779311511515033394935878119960034002781418214878803247085531194858627478993917185481614319709548891257243111443628074895145105275704516347473490392971166331120857051213137603807152065592504134830174335858721648697895359405938550703096033261987440602983188328782690678426545344561489382964845411415562008771116898789423653110547348318918989034626576407533168750927310154607881752496710920356751849914289047898224752639060181853073248303882353315088785221675283736967283754037859225899397254337613790110139390017065423540498850872624984613873814364912069803988311500094247449326526785748788818913023886876520148875077300217039533564167716377252832598168176791182001268261970740786400037158321537065504252049216270433929660060264691347124197655891229654571506772686331595821972912897856932771654440963802458267333820090510654315680905836270966799937565418647147775704546871358080976914088737800739946378386955445874974676783393055871731660225539094672097383053417054070856858257470915429244212587661123676996868669526371815262896811054222869875722947580083189474388272276413013910623678412294432775021129762463489352834942941755546319673283297303
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,355-digit prime (201 intermediate primes).

Certified number1,355-digit prime
Certificatedownload
Certificate chainshow step 31 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004962024437 --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":1100000004962024437},"decimal":true,"detail":2}}'