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 #1100000009043498734 852 digits created 2026-08-03

Value

259856624819229043394171592055314658104675939515030060859269301638593381738394564002506194026796739732346059458466781375351782671808388712368801012640633425732106154144951776438502190487257909556535866915724212343360489861356411540170718125999038037301282700193767378094618661173817197219522489056203573241164460034422625624443334383679229090888023965852646349560720292156285164300443637186629579922022285442462370042899140616189712116485355669875796148027258036256379123313247643862971637288942340966582883914043505679255116501064100668341994279832970119880923910222009499112407774496689672419548390089194203602930825333650554894314686302641717240947637718488574920564649468199404542390180750642564747736537575933467864819048786458319623616830284071899221039221671940498742711461828625762017975096049927883334975291152800739185330196560873714121739793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,366-digit prime (114 intermediate primes).

Certified number1,366-digit prime
Certificatedownload
Certificate chainshow step 43 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043498734 --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":1100000009043498734},"decimal":true,"detail":2}}'