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 #1100000009105165465 2,392 digits created 2026-08-24

Value

6650569974986214880983557120729090009911293064662483759758039214558192603347727123883008617126365262395280479582137540910006403896710519154477536442630626394885607966354318229551503024911197550033150787207121128625765906851153424227444265081783693916339781694069826113180425758532060817981845364223170091411671083915157601158592088895750171306678406196091276061892396124788732143034665322596376072392991734381972865660471664118859238010708757237998258728312375273670148984668619871034790030126578186896840963475898740419308913578475906687208422562735219346385671776580507862532188083091221678234276314639371495653188906805541245653305217469632626032282141288119227934004726240175496177963367093284033698027847026433373796452974845834251931615823787744069943652746295207327438076596425729674049809907014209756685012679297944069031026377133026937179528657911172335950129621397768255284093734589416232574965727850712083496322470523133986248803076413920178330816966903478252755123446496568452992388220710861753775481783766322652465706053598398564772047993986621774398186524577260016790288461747163329454925404922170691273513788339554865792911066265615138857786533764280386544539924506009376267384124258888063624538021266308408657835974584847185247413212167236495957359099424353811543550162152198860396030003882363331263028399200130238607307160300610775197194963632893571658105456252717216060214681204991720048138012452354031157493024137062926257929192842786679842231607291933701114935336574654904306908393650554251864802063456236897215172528070254480607789486536515002489847234119544924807836079820331269503121585769271375406315424819055862230907555722838418519896683797137411970788885579230768038596145173245741466155586202999178151564243190315714486268320523607209806780257414227639756454547013370180433773877339250224479977128640504684120728827334083165166939931177484779960519304710164980188713066758750127751110451923484937606868683944253879384894290932179169096805479414694847772548546958326146699153598904598456623878019029903273124789694428495111197469542524169685458743069783005981761436256456373934362698758532210620553945172975658694118897550472870359808263917571389354866904460865885239683913911974632262848592936005249361695799231804874264402549093248115638222287133034359668838398630233288844685697717442366565198766904855290618833589757821776804995863198290683309930454725988751153
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,991-digit prime (198 intermediate primes).

Certified number2,991-digit prime
Certificatedownload
Certificate chainshow step 45 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009105165465 --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":1100000009105165465},"decimal":true,"detail":2}}'