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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 #1100000008942580458 1,611 digits created 2026-07-06

Value

336110585009015975937803267390088405974898123186517519187683801931522548426534098091917108153741218569616449825812532257322036755262824206051363857707908203619740402844436367322392633243082378010151999748641423302145869202447821780232804972625054711176899049892515490350760541139380417379819680935621690960251279228006245745672801417046159994658701558405296594189030060124307205088754500013386499782824956564558690264298823530560549089416503866725774501424474708067125139918462352932792902789655965672762736657028622641319041913893271806192225195302256363553480949075631191125770492951101897312930003860529223810021504890939647370602073018504986745199259259177978390323987745352164149301276411470224234838173384192348322724913765786619648226694900784813290476597122984970517025963442842687941811986401254954252532831407920181516372669753831554858201224629042155077263798758033554866976052918440866948818488438551594412213673699978149106883187736171516120106562689197509377180989152941564946259397512125208765487130312994276297891933081450088898946535683436346356678469050468460342298913877900878134645833933492090186259934886831447191943420452905182301262627559934921769452461600098223582447853448452420611450826024121239337557504741147843725014140906561015165760998692488684230609246709690767695054177593838256748266103998319321783346242940971647474615943821301159270236595408425850755097913682788994978612087334453013463462232475268289109277870381628595586844500247436994451863039301508799184533565944854590637043884586977931547023737878314357205592532466664153299333802914796137110061922407820954612414958231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 90 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580458 --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":1100000008942580458},"decimal":true,"detail":2}}'