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 #1100000009062040517 929 digits created 2026-08-09

Value

40943227367118271873930234025257836579490980830537598554739019016544689406653394784754288771527959935894117335849053266581251306081449244931385143021589486136367276384011991413967774127301292796946531851676891817496935615395184029231933937588026993814101226582480716518566163176608520895088394405109485519339083249418095982301659969372186293399109673164312464838727524500929717052250894967928285244368662571569308485003773593958771811960995559375594751147732227615679452375840096185841030199050728788188501530316701867159572671799197701237624870732890606503332762814155185141528477853083013117390531859078553084289110673062879676260555600515619812803135059660151269908105723265053258421218638038458549235416359989948398639575292269746278414789684339167161082470888340964637199007893607910416522589251616852583497395713832166420758753583021745612609479175376691978694418502482621254309154816275223639801014709315040577265007385521
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,690-digit prime (136 intermediate primes).

Certified number1,690-digit prime
Certificatedownload
Certificate chainshow step 62 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062040517 --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":1100000009062040517},"decimal":true,"detail":2}}'