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 #1100000009076156202 1,655 digits created 2026-08-11

Value

12208378669460821322508495787122437855958299493946313072888268227707614571448383374059854170285858604269368997982325175247500460273518529231442104611031405732848501012226173630759408148757945276787992187538995076182695615046125560586520722114296003211824759441921973233568822543341152264402736190840066538869130674036407086913858780617897425218212951692966150483027447973322241445916927946247520085426819606254594478228413431625654901954704321090359276489829250593774946549892391147394633848848122255860783926385327194868060135148565790202080328896692619577100708118437419066393385903191619005487789611450905888547142270545001946212104800103652933655862241880962567522876818756636732837132545503408110237458588195549104317520135687734295111705731417652929978904931393405855718460467616495905628220784050279784312277399211867544773011595074453692121939409319969919248660811217242735267551641830245873096961307225186313132835998196358966198540475630559315642796527347253280447358099666923456126125542974126647290807807262557034347393324183816250250454756680154606512766012503277312438035827692437695812386178414059585596931609291576336628319468978206516415886356832868442275878566298735883797501510088722959356527940370268775192034291177366329868907117953524869043638829499858249730473643074831031074996972763737578068401365626212088499410263972386358357378885572988965947290403781012157898886544640987758486297413192713358756258732493653385881413745776177479984973050838129776408746784564219816805808830159068938002248846407190556935744603764288922996254107691055942101514850212452359248257007499849007799537313747911993391389310871601202883265204566428661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,812-digit prime (148 intermediate primes).

Certified number1,812-digit prime
Certificatedownload
Certificate chainshow step 14 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009076156202 --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":1100000009076156202},"decimal":true,"detail":2}}'