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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 #1100000008674994771 2,374 digits created 2026-03-09

Value

1948093345408960839167430311703318952734511393656147482469835272140978698098797524670266739255939974886279256428811042461533063308721497455724241471974847481036453995431349291690354088367608403539460218781775161733217314038229178495068975613596345607435039469408817881148397892980996214219963094672331520190993170168175895954136270648781125577650474299259815581964770783947769032711219071034696290202163675873468666132265335797244876374182260964973430451836617018086716777403405344184038737378665679084919475966750263249144017851404241672569404989413922436027068833445267332326269889360165857251512396511411889876893830204808989388051508369717264556324210210309143429841508906598952097234945090526337188438386493972773044796911230718026928037219476538013826745264485014817919010352997391087681439733297524471132287027909777100504439102482761395414405407146915451249399656130819589002235180398837288960852591788042046240643096977129086918416129692982127646342036491536272965912309213905031183464875796831172264147106721804408610471918160070871801222180455394057295575094732614989357158567995741261057153892816982611979710794019513943108880236954165218535455701870579121846854313056519890520631927808987813900483743156269217956541308948650841828152638062137230628966320644351176804858516414323794500405197902838335309271806231346964489014594508813835978711952966550818663571986422874619467822709019126576249599148857478770704990439065041208843376013198645745817749638088092282646172094348809974521420104010823205497460967713596844833666417343626627917593067573436138623588323561423294693411675126946022727122582055715776176838060297520663175216915684015889982791486494880332241569630530205828363555237833302233158837054033495270743247255518079002890002823521401919368196867236242999077508979989820585274041313489098738143334249003063914697695009496650636831971591018577006697751760018147042480498559824069987483078119571473753453826587552894346425404209370661037639002534795682496820378801024935920726237113148395364727705814533119180956055913518790509202254195611844206168994600461141894701709897116288788926172495819225686127758799219336487806165555962115634276282942543935834937393595009818980175363671635091723437839513025374352899232749280434334225799658712873115962160902145332488613656027288914559669735952321612437275930177284105475219540979468400039305383415973701159
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 34 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994771 --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":1100000008674994771},"decimal":true,"detail":2}}'