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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 #1100000004870451556 1,881 digits created 2023-10-25

Value

751651820264555226571914881266582486432111852985057298853425045331022545494165449793769773659707937484749054571676343322253197471562706516028142444954563153824800245813266096605022180798827298454734891322305942470008855151433039116551611324039073125257360999925548989910768980048126845528515202595691767245066332242079768835338150479055814241347274114310868590234021149921023813561124347144949085232728009246084391127623795729804233978304394590143727011282172378158054115767855699870487892861481767778807968677832726570881737842752505958309237392777132944240102660012014180952462999441238125420397706585329168585917836298895018056172249329419459408527239343415942903774671003369470053440610056378814608702870015974839703680089827372915653824308434232895610171508104146797296876268973704249604089012428599110461565034521054310280015196970719261523191557214258850807659095177660082244344164258555234752330675174715982161285487893586899490146293690868788719587998386556296189578055376283317751839617334381803884672482224319108656710817418513993943011039823144878677411488153592392158263328167250816774953625562252163979698814221366604425971015736752778316694207058929835140812143175002578497168541507551399769232845197744321587825981972131849384461042423378152787680941526666830966732840399146106312322384563020528485998609380671729445508763630824569896894791973823268450714440826001566807717345580351761742213555634151358261333682760815647813744863451083399688639179869107155695996839296635167604898480086657844330996247954698702809034828607598591358903711636266037863713254983458914510877482802348163628530419695992426235769521873143873114128099284830605875096141282069804228388842195483859507292531062486446553126209649613743571308132254989686907713176537597151340084979719434441791081424538734206161565609774001313426554277627522602665705847505147608589067571781027704001942907351
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,632-digit prime (288 intermediate primes).

Certified number2,632-digit prime
Certificatedownload
Certificate chainshow step 78 of 288

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870451556 --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":1100000004870451556},"decimal":true,"detail":2}}'