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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 #1100000009057950722 1,699 digits created 2026-08-08

Value

9557756891079843129850466199567411509305166731524528025171535339054213933986606128421643440417441894080372780239132415685204133326215585610601499487285907635803255410407795446418286719849870303018775362734398602518476921648370847409277123552992194942638402006322618264027393208949436546619669371347299971465964565689585259938007261700083247497901431599820860897838825254627424276470875075345812035992687320506983721525951497470553927873671373414780554779835538874411357895735060129574006664651395117287939959153047983690305026095177967729960883813233361399860466947744039225201993596674219516866191873807627314822350824177239940273966752581550912865185460683809500030790901967785902684401586846155591209694286694453058082972101970746218475315880028413576736411097436277295598421637606009331186824185592854173856861945560693940628498092657425302891485316724016373036594141226695563831569600596996570311922642619081907026408803887601269883071688170769456125891064470314322763384515105202528186460212484507926193591795481835230822197424983606063565127860207930897201033796784375476499782916036352356557109315353838892764269218497128583717127820767360618658848131207578110955139751870741676566640596634572379357122333627198927585533328844104747544772156764312491105035936088350897063530599923973411673780210552097151046160524910660136982107328278141939411360163984288719347161743753324454601301971933467196738432538768195401053779544028281528845981472660910031519301553424768822048725622869164217351651322926564059178017346072784642244515825179249032122756063606902609689230628896422176948984223908061530743043997320812718556563663213145020891379801553741376311748978207759994392874269334991150228126743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 46 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950722 --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":1100000009057950722},"decimal":true,"detail":2}}'