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 #1100000009048725543 952 digits created 2026-08-05

Value

1250607188436315995842805115829126336668990622151342860928884807929668961576743554738276890229112014049068808727295347343943850367008767772280391578491684130380497369881392463039952552981757789643894103093228879725719902570713785071028006286783392141941873125198100558099320043302713951041610241990158435315722905495876473944833716742219996711804940397456665121316198659421909125297113549493656919061733422393006259457395159172044326108884087728821163579243786152381157291326686461558273699655454435346245876829684226719620680465424651572941277453981932115888042737560736994472488984145925040160053088843894138886867083982871507404116483602756138788522370081035185326203333697108248205267218257493260479664213999685053166612894177350222421824682647581596848907852925052792565180778112153087306773824724043897390569461439155337508081390795586738103675844057932363938712959841719587567513582203909892804472579655609443678112461598663833220808218254193461
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,502-digit prime (119 intermediate primes).

Certified number1,502-digit prime
Certificatedownload
Certificate chainshow step 49 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048725543 --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":1100000009048725543},"decimal":true,"detail":2}}'