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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 #1100000009054177666 1,929 digits created 2026-08-07

Value

602984579702858745013149435246745304001669507687487282528671949270588306522491137000398652591395657547603187185611674671745770458008339719677776146910177814206151298072699172547747117154220167342154042668505974428373919679072743818343319116704379605324586611521391927264711931211513014849740858921023977134516115700612097460679869838019700972470090017581244803075031939654260316201337839586922547784384816374236213999159250768159414656042112517154258367607032861536292848635122971482799417175644750584439751665342167167165610971885920424750887252245150214599950647741492271341838512454124761106033284353351602952114910726213131161514810902373702052935451453997011610645679349116725292917392724023727201324310973807272790179862648592390503799426070486416775533303796333830297135289878602287085882099946137019595482803766418766786995996484089982015824943981552983404614112242292648987088845132765102102002906182413834447168503420467008351343318649526649784767612969238753160067990307421062913408841226425651170553168309584964339225857482312120605881828336172053603469650015857340316764131759955362971467249126683338307051899092475883723900517353459412437839247233177804761780612074811086694295964391424489317378559725587564553236143499244748018947904799220488038149045159133212615572885115866378135003010462112046343869884828910446568515520510926026508720421734130957442525692004107888678377479810945539348433278927943602577383605040621579806462355091751089292086967328871823642898372006636817406079117517727993914182345082261148202044101740583621805020208804691984419677554360576307434436168780068374452474885490187961313574012558461283278124835769465596965698753610648702839417263946130218523105642186541076210721497049146053936500445881064241974512166955369123267827167422563433219653180184335127218723534441975723912099792173282847762906179620415122038609983547796938319880322149333408656979332866533566330016394122081479721283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,858-digit prime (208 intermediate primes).

Certified number2,858-digit prime
Certificatedownload
Certificate chainshow step 71 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054177666 --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":1100000009054177666},"decimal":true,"detail":2}}'