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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 #1100000005813188981 2,081 digits created 2024-01-27

Value

25878637513076409499618913537876377770618151555979969559389972848184636242266679743759761576169284713769334270870638591036387320105395521580434063089973222564571709420492233256565792800911766578456586489451565886569503434875296525600850827844018492160638545750692269376521994782700785480890032360624556420252075046715578814018563923967173400172420667967078428639538015097264400034275406335945603394844010348646653821546945471731132877397341118162196246917500820443824879624766338371328692575248850888143936143893329549374357855124343578189793535614962376892924105272532664830960864674463237457463714337902369701386522719666112842777611250960598022293250549234112352533143068390484580420474656202820288656846302433907747680608729596796860390691866630642722077539647848912942361439985341041484885020654040627998913301743267073943791307838068442442514482843600374259432236274121291670649435570151843267699098605521634162972262362679822609568012788785325902811770405671617298475538363876195407681064417721144387627088540240403548343244556081905154471407288358031501955145772914740368831368346910541539244457252062668448192520045267257834416362660530263674567590970934558031170793583403112034291216781163045379339659072511540143254901718919713645398036479783465346358139313429542942112534921143413675733000718267140840451780018853397412723608973898929111423359426268451826100924645436920854338422875852128147155528380557505576605694639488421763038677005813752204426293624873594247038788909646092656714348363284523525269264199347577396149944568328608491951485898479736953687886314812187988100057307883694374089369634077771716509377511026632757383615791924688433176511955476745686291379112295747611279335694475568424444088176706515778927072713509275569915932571070889035110638544713107353832831992574003089839582537536732918492710207133464667897750107422989926437584584611179911385853453919085122582191102030638335442054471368379308004302215388589446863443759274580967788340093080682468846831987421376314282998127854692469031216457393196129802246467259935829740456334949915751579425276787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 3,573-digit prime (194 intermediate primes).

Certified number3,573-digit prime
Certificatedownload
Certificate chainshow step 93 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000005813188981 --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":1100000005813188981},"decimal":true,"detail":2}}'