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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 #1100000004971598228 1,209 digits created 2023-10-26

Value

157675582389025610826337872196549472026732840775845399352684029195421448925202548521431540904591319418280465232161009768442931022466334320853444397283003238085438557450143650535984356964601630272695690001989786302679268551699306975527560682261532925230978337077453882627453472327823990184058520966006439259822573897470482422937722373380702313857454087757474023590056611179557170451106705446559550281715771089292501309118789867143281308477177586007336453264230789566851059494047448918576987127151423450098629035306967261233252349769705649868696883066444916383768306855415973927798784190177567163228817201567153894341096067866773355777034615441682484346650884220446516844471220725404478915226268777277275750493871934252822844963559942611744511650866968007098094911287984292010134446554526972883949953323215167516859850677371226532835156224321048061124100163096199190938599017965689855538427165822284079805154334026315550797026071589075189157485247356997755974313798304790622128381647699547412606367232652529375845531768172297689700323783734091175560504149919029057228226659658611588024719071823723848119543844108970359893107311038075560606039095193999830108127698333024123805985918363064456842224842809700651709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,239-digit prime (196 intermediate primes).

Certified number1,239-digit prime
Certificatedownload
Certificate chainshow step 4 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004971598228 --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":1100000004971598228},"decimal":true,"detail":2}}'