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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 #1100000009054706975 2,149 digits created 2026-08-08

Value

3551490103276926924429300992635448214052107133091416153894780175683716839013425099122281799600776608532572924411019801727228039320384537509441552585463284615894040757916065054328750552339123752094300125367709264265582635640353223047558178182278047377810709753564084174475174191259551828261019691627667476494952495762456791660001138821475306843780013038711233990489058568127888855055937941599759027472647934517318756065970564827403114822095282599118754521379101888518665555048486914678156544190108698954769324779188059816548828643052447529829110582280942790991884558282293973449632216120671758807968810145244743535486850551361915973092800801616679240033476590084114441595880849528914634351764884148386514126396143477552586753062143990668871049715297350806274799503882286091073509969961165012819273646376528691048157250986327168410906763496267242681006113331166236342985591492122822123212262436707265997695375411863637624456618165371466437504693258063076612673611569627841364280644062056289005946806837939578804084226643588141298905879748058834378433173955932392017299435148264772382728393625143771889106050822159349992074830464681923719204598147009130582342129268849538168172078595783271908828173117804991817015969363224302476508392850992697268652201105002962869450394311627379168524150543244173859966593637581935748518643107571719802746513714729320385326298599519819600863702787179959601613023900143286031157991456267222431750558976252169848649331266157879713907237827778872598164425028542406948002592689263204347313853571733515290380910903827321912078690678013245354569506401433967122110313603767887785407524751051535540335616656477204129940384870149557578343119612835643543184414832518277446061834912509988160214955343683338035274627129180960396941891760417977079240388111176432306259685929229150111320034267600969855045059544295471931676283466113401690581392993114748086146639120820257349074175332192967453666551188815672236272082161483038157087448652690321003982141474697210355118201501306590508165278971592632496335392851655728406145541799724496947031017282302267242967451743108630023912327955049085013702948524189127094314683218424629890770997
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,221-digit prime (168 intermediate primes).

Certified number2,221-digit prime
Certificatedownload
Certificate chainshow step 7 of 168

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054706975 --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":1100000009054706975},"decimal":true,"detail":2}}'