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 #1100000009042394217 943 digits created 2026-08-03

Value

3243366623871743032108931087355148573342517297345595303540731453047859932965258502306010231660527362384894550409709789452775811451448419388679879665838035921772163766729109958378069985150022513383704438557296855053705445778277054413030683209538862799506551008247903430806989939850524737550516921546619555727560827480093553896895020240143530161228689967500045750991272220549026213005561976469162239280266895245529482821751533799723107069781538754716948580460178700916586422477381558139954665797188750565522186508676246586947821748035527055586823297021159006527427661672133883785010503603401934662842952547363258148585273872274000262342162529804295464061033039576816109362223831564825567605131024277011602506012671613389295905048389464109266793243394513248566343847936763991618446568238417605133757534891269536526778852894582305410536738442529958532771795355714707474744777157648285990798225360526687429159210115143260313995880186233180590950269
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 1,319-digit prime (109 intermediate primes).

Certified number1,319-digit prime
Certificatedownload
Certificate chainshow step 33 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042394217 --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":1100000009042394217},"decimal":true,"detail":2}}'