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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 #1100000009069676137 1,725 digits created 2026-08-10

Value

312251818710420229887820510760883639439870113466102212193386821921549396353031580285041034712447009500920139166069034303590611893346653191147684298890635603545147113942243732318193064191704018147206798634884720770174801390823886148742595736750998824598878060071737566714118389987800731193542460950398497434877330737535089090888068527477150028386139981296922330784146128841167558847504578566330115253800454605201988105847911275155188131578598720973999535020099691347499168114919576103118181259139719304960207131741715677099253986442831058169858858358498484661389063972762731076382644625880636343491455145007782875662547379763326361384514459673788294140527378683606697417530816042200693708095928835549775417660921566137817895890105328354901257673922283466383106150804652591234309193756269767473865400781714676459197715097890520339725295352085228605314476098420487375417639324176024645935490108569636283964744502873411946231976315691840054821525503483583118368582512540164330471829534980473344395186206421340031086210378093048394384144750957235445906702257664294526561149442084023341238363780599807237500797239145680451890291172613950340241675552778968624583430714147247804602278601891641477888383461380229252598986665985684190310600115234086975026579641629265222979994706642462316715693284552012914920079587264356567347881236054257979260834868532290399485329117166616236527895733991062391736343577709775213706229853097061571392668991213179398046319697184890366458766117416674216689354245245429849359993189481285219025046025000902107999095597543309937640993223412606524075504090456374022562421241913543183218067526969273812202966153287558237598738299495218130503712875950232733723935868661563458452693654686424038982059542039643
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,760-digit prime (133 intermediate primes).

Certified number1,760-digit prime
Certificatedownload
Certificate chainshow step 4 of 133

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069676137 --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":1100000009069676137},"decimal":true,"detail":2}}'