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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 #1100000008946988232 1,851 digits created 2026-07-07

Value

541399135958878257106090745745832372943967019665377497512022407257449556237951160179508139697651432945365871259318762224534749226451682725162569368784119623230959790910496146442439347988485131485933923981795055063832018097165165586701459085183992172020519665819298679100231909911046678320039332668510534726416964673720195279384600610330004926394202749496319959575518995043340729387056266513075044898174246264743995117869925497051870200935124580954660673777181474373225907767214736479779705112082826938298009472720055628433787251089030232391122198735881475440002670368499237409274241611048798543661658436525447783298088318286804778974185029747746922879378099686445355182060342179625628057405116260137240792685287139659613526147755445123926519110698638992172800320606741980904515330497995013429255434043335212935833243926109836556349463643201179276029187332496944106931592994165431081939994305958598074606832587946418993129951923449087724044409945600978587437304670326176079283115513464602276085343837523961624712103842859288041788447204435630413068069682913796107806943775573453698298131270739720212993189161727153395347689666512592303356430668441037545531803738784540456026752164504385984390879601942085561680455617994264154382507554393646926726023147959408853075202674867250647386629702147756363024581313947166408047452819961329862969956156957968083489957109331158440428680251770410376614548493519440403073279561328223968622322350825286203027645852441401679717418235504045260452413086384462534686616613264257219194992789949612934738613331228493534610247230512834991956432338650740534170451642440550473129116892758113556669550481737487778152803753935853494113621381707054118692164778947914524462225756931401197391046278052322246031336285144928965753497895366390150462060595910335951541463612144503786299712045383248908482351865175113865841500567308231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,616-digit prime (190 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 56 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008946988232 --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":1100000008946988232},"decimal":true,"detail":2}}'