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 #1100000009084004670 1,400 digits created 2026-08-14

Value

12539731061666861180767788604698845247148007573459624713987875854037026029806140286558745543261442978555731261755989205996190901521583477043636876046763365903331062373448777124848348503994955755838792884533176900394350846736736287223923356013497088730415900570942301824539935721136695426600057971882583827903680276050004935481507976535264367922920698952092358027982376951785469579636471473690864114933898823371187608375592218212244371510759123592945364211085025218206621312494141190197031514393896492856347354720675786724312342261569428149006605968579952299659647257306168023517674931065061699830251516574352195205646219041938822981861631498034350070250819076277753324449709057260192309154256007315539434772675368705366009748516285886076421301120624703076795135641215030722143606953410692024026117345124255572758911808791684075575512587924316835418076230225564684807259354960137780104927074555015087895871974994997269977414769832772786907336350707617612367768476419614738601857275490040994092129138279108102856565727197697958284058192660782903063697519583996474587853886458462244812805574198269120678941529614333181116074491910204651254380157682157904196523643558022257639106937946520627745900463207411949214720713472020855785468957282249209619541525763894877458797014660633345552254313755291585899713630225826376860308989245505862426968053962868709532123158311309349837572982228462515829698064160617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,939-digit prime (155 intermediate primes).

Certified number1,939-digit prime
Certificatedownload
Certificate chainshow step 48 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084004670 --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":1100000009084004670},"decimal":true,"detail":2}}'