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 #1100000009072505159 1,253 digits created 2026-08-11

Value

85371769932984017311458992520130319204959629188374859586705493480116158020926607062405845850318026622257629119275793447391564808425077596321877374061264579928196441248042403278549833342235676353295980970238436972321484980329921586337846076031324116406883373395043335222436591825043695133791455269384983995985425820026932774885062902316788110578882080448159458350694214404068800390791187985910532706232551588893694935426799584946752219301150765951799859865355453384377647343025154096241326717725038836039996535990041904427655464758065273449986252525087288798619126027965125584810345952041309663767685513003281635877995205518613245889058484896697648159241176575180096936881839095211952838089336530058381040569160392226549422116664864212062602229352974780905115942562755562974737875374604553709741714511288622494555723961427710799729522842099594655763875843006161070703099596109649688261913199552825987099637861635324272282429406063861970548311080305999886377570882020386545035860094073233883032027957803484312821206232481768693031544244887587533151386442287377598398105914679417889054557313367746851699117100350546820636901126540171452548796223551432848833376987165074462466984988728752535885191853118988794753817461670515706088649663346941240430599511123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,114-digit prime (167 intermediate primes).

Certified number2,114-digit prime
Certificatedownload
Certificate chainshow step 67 of 167

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072505159 --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":1100000009072505159},"decimal":true,"detail":2}}'