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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 #1100000008501823156 1,066 digits created 2025-11-01

Value

6599988355907950113025312915148647583869270707892108065679190317630050338080643138264124985449302724749313349828765051873681272488074604432640729332079144646901615582027020109252431846025075763284739128227593847135555932478816560062375647820754514228792669893505019762066461861734152709319024450563408836553091096303749777658811292930854578286763270455712709235001547011146850828883971849764694615152830071036549001169145718846685288598351918994467389107915342486124190150827190374455213743625156787847268093564914102989298723548488053403618198639918439011858687194000705960819749977827102651682098644038571253001491420989702752883770456241640703437606845492752529983530349629330254960920115648615496341224736506539907915869188609107295644679990917059699380986335597615652611866198854016864592113434411783300859098778314569543864533013732774277636404847146100713977426761688350207703043860180537459270500179318553698216337970179817129539724398376112632183940248889714236945945624940171891127618701879556786403850277120329878215506870097262084178908477134333586886487
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,220-digit prime (128 intermediate primes).

Certified number1,220-digit prime
Certificatedownload
Certificate chainshow step 14 of 128

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008501823156 --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":1100000008501823156},"decimal":true,"detail":2}}'