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 #1100000009091972547 1,653 digits created 2026-08-18

Value

101951448004574324896027650964758560866702179888643018650222961180578126823385707092037283594635032988306340758585773591537153687300294857400955771201690437338934884043351979398545387293320446509936337003523117789967118763217457499072692430076614537498296085045089965868755393774180190084672284445388759926458032267654560699654209714022972781185541919447729114837439699716627918787710945961686388636209057490076979118891465880980552482325970116150582218650903364985334797260069219946678504746807474966667253691638231775576654701123985930854878702778897878978743779161795942814537869289026310598561554706619131446638314730011347306777099973912917646883617938586257347982074796915057819673900807007531039010489381032179962438477384073460449594028534859271908478807394609610015812963783383590213534771335784479483866550431572407129800659004765624851516612250909479984070122165663239152333230734508531757939349351372243039073794862288810009737885495233671004860090638801326694451151683729368580348547526556625978533574747079826062707265006156547912263638173231926815242041549281527089060491819863425754109242730065005473558535816502503757656785375509394219858802889837384507619357043348956981834360049016422000292423335432592584204145561520835791684538738998266272240013996909110564077027254348338760168968107502442376265056417842006871075158302172420606385751355314453429067213532353892617178115213290050761585475161010939825391857502719299410463783904979092362702515767180673959259365349423104177126152557190440527745065207999573227335594868403424216088781460700671777313553570037892265224822423308259633658343109751938654452482611561281908255735013356203
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 36 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972547 --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":1100000009091972547},"decimal":true,"detail":2}}'