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 #1100000009062631358 829 digits created 2026-08-09

Value

1272181640949583629304213723835552559703111589821606954617666246078784106854530005022142982772353384390715067786843901372056921928781448100755759009230261244649686496337272776852384627013090877627675791191332613480561902033276587331284471760250058690058843973438285319360564498802716549803125125857135926236136415958753904102716736553520330635785255843715386378041386680708410032871890425306638860654084806870412792642818590091484916104555020870311143270800988873634953124984579300104228711329416074993257053506203016553820290753263058211282219274875271784803355102392879626667681642796699592317080545376523021721320957957812050157607605970857573054364314577820559721977561264249301328650069012456958413143566253199155782513290915577685126152258740902284213991212177478933927983503985513545984623783844631381823719727784629781207
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,696-digit prime (138 intermediate primes).

Certified number1,696-digit prime
Certificatedownload
Certificate chainshow step 71 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062631358 --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":1100000009062631358},"decimal":true,"detail":2}}'