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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 #1100000009054490795 1,528 digits created 2026-08-07

Value

1457892502851721235218882449115413453730707912524666214387356346894328766048631730351510435250327710150965470607234163843540975267204423397222368943198267018482004181362111183197926810101330765845228793837438967513593037329933562663231844588937270272026166084403651871872695912973794169790733996840661950851226199285817984776712084616201344404057071528268870374319384411940344583623957359979115989480671891192643601912040932979440199337733177934669304379013492100637325175633708162669414804130780589301435060827276155238258963695884143708676484423982760498461573156690533179744396191860609615850799434266251713485650500316542794396731270870675841644565345047694458158873913601985633095302655266151944542070184978450613994392673390618282641840232205937719836709527648651714109851800588236700296731933076664485999552201471892937021978462527593974651743613382486554361003396941257855099846909881761170304849877933554728728087534969144948720445067518737872427817830585028913120154833157742469068060537503613806581188430418390834122837223391478614129467810752501067561189507354602455850783181509351968485098856809940569525467630136747845825646640230235857909166409172766738090579879858480305163998678211636367965763470262544653516472034818225992437838661561741713154251892796841288906206786371688930638173699911429494156981773024189542123317364794722886731983445948313680570886196422275005658427552043039296778130679981178565250246567054465499053307075547508838577587710577267668124962992978503701742575899363186605274100460160150103
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,627-digit prime (128 intermediate primes).

Certified number1,627-digit prime
Certificatedownload
Certificate chainshow step 8 of 128

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054490795 --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":1100000009054490795},"decimal":true,"detail":2}}'