factordbrpc · fdb
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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 #1100000009084007878 846 digits created 2026-08-14

Value

695604020825754092116471081514428370224702890739437475308529706157993470432124097740851109944502002727280960088808847949337745683583327486369559240167817543968368655084468170842400540101385962376477097902021391930582974913464413117203854730244923586626745354822758392608739291268024404893733380880359070992271007846578002074326902506562305712926884245454148063123256091974481021691442754623476167208855777632891794085630398872541540782734815460231911546603102151150292333301359611494704565796934497361868739366209060780525134021948833404891798989634322977935340206415721522816415253370611210491405180635417226260441439975288565663533673139376528740895907074231596355318737904408964402362960279256590641028840282908309498856236604083168800467565369050473255071755642930738077550604751242979934022680975916728390822709761097441354558758737775503811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 84 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007878 --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":1100000009084007878},"decimal":true,"detail":2}}'