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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 #1100000009077839229 1,079 digits created 2026-08-12

Value

80208572629292879256186828021701443041663155656272471913389495514165303273390182965792137694293288945323741844525621659880790432062016105150107404132770915342832510524436037893263017645803241835635192643727837304279453263355081983300605361747015459228849056465212173372355579491266698339613950977335943743184508977827064063510648332394455681410272137728382957538490804963649156603582734533239331311564083573022158804444818201627630656400449323575542631616513186912276996831007312686670571609279346489145056585951874480013170297589688131367480451770902974045024113059527442104054238805041739211102843967064522889001156675770350677397818249937398874040872699019273134556803802850720202680189303216743893613387627542384026073937238096859663937950307968027706518724877283180841195179793629826800681144032754334278199254535305755574986873270504301823431395709872407885515948919308553747579943276962965289865429193033503602728567172769448269429847644354951461208883996360334915962328379575644214883587898986892178342459615326173982504627536190134611824910164673600600531485769843329553
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,023-digit prime (152 intermediate primes).

Certified number2,023-digit prime
Certificatedownload
Certificate chainshow step 70 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077839229 --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":1100000009077839229},"decimal":true,"detail":2}}'