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 #1100000009080720759 1,123 digits created 2026-08-13

Value

2108625071741695174483089288855229575603106509927182245359397404338055643177446857658628737488656184345953699502367766777403443100443597503131286229053803904591774204359335725238335165606111135718092150309748163614950679359440826107697496104581369492434237703986990133605088938489748331440329820388319006606141258131502434101994789349106185708234774956123234443832329719009645324380917970794801558721829590096611783847661991809000667086700866420724782722153377890690299927520091528501448339227764225019076098053704571332993281483579614097002924244348026397225801008566500164578353727797581757669465184307886589332469620517286558746387286743607151207075867909986010406790628233184183332764045580965111536029668832448740362035227976404747254623990612456017925603792839367657541619840730366037078125688901910134259774890024012315087892094725416977138958064411927275296620084244109404119700686701599834975489565388935520260599759670175266681835813500136100962735320500810585452369277734879579697926820854967670871267363592577930276910446643528958176556526341011058144945448425634054761652747445617093462118719701404153150953657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,928-digit prime (145 intermediate primes).

Certified number1,928-digit prime
Certificatedownload
Certificate chainshow step 68 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080720759 --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":1100000009080720759},"decimal":true,"detail":2}}'