factordbrpc · fdb
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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 #1100000009018440207 667 digits created 2026-07-29

Value

7727039261896333101730284650878998696625456721787618008954981618616532858352643601761283526547403557717415817701798635032111538748351026478880402127874516390297184033707356352355086437857422217285351358766418910077054352358935869124762780657465967151343149002893768011417294771160758047987817060175342692513221026146506829031025522345042623614667882933132744224659171188852732762117308847869540859096669999099476538123228031958177979669853862017046298334272256995565311287159157587795121913896073156574422054319584801098193373632180043344887642061942828881967859915959286653268575333651349532015885407216331981536551616158542437690393001048864907581905016054927771707
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,001-digit prime (81 intermediate primes).

Certified number1,001-digit prime
Certificatedownload
Certificate chainshow step 29 of 81

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018440207 --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":1100000009018440207},"decimal":true,"detail":2}}'