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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 #1100000008674995157 1,573 digits created 2026-03-09

Value

4778461527307076617277980105009941249606634989330175989842414811418232387153886701724895542658929383947071744792935703314452908054857639834067282833326966587222527242054563482896398733911896793641246529642715452495161076894803083632903823158113623962945834286785718352823098867191733646346057923147427919340329858071829842755072887995640827627608365329404524100654655435501969885178281140531948938028321611241375151154146730479878361369210915488454537512141943585216791055287377873490881851038903824365697962730160710666747427934908519343972857057156907865385168135977982058658407476586344928623447662871553899122547817531764668573872947923053613889107041121391805243248699853488076700716514556618331744485160637006909710274576252377437466635875744881810206851444941793838579563715943491324130280330220768384465615753936517775461039681127047224621485082540479055553403407289259813572254524587655524351393867961585764376630818088874665589181608866295806781671116593470521039059648884601851495054201168355176689838287569057388189553817985519729909687134290198368239503333881048438113053266504908192175557944705369141546066699849934186582728336253372752239538830213619700732147329258850407834794508585590605086953009061561745885976825733126418571444108221000121594976295546362770266646649560759633972479092966576922229214468151437800661647968269391395911274758459377405284776905290093026502081251403043711422908006364951951615223544366406807982973719503612837068093475080162833964072097079092443379076041023148901404293530294906828798573252626608880633141452142417967606784569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,984-digit prime (185 intermediate primes).

Certified number2,984-digit prime
Certificatedownload
Certificate chainshow step 95 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674995157 --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":1100000008674995157},"decimal":true,"detail":2}}'