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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 #1100000004858953805 1,620 digits created 2023-10-24

Value

708786392259772929998640380774891679933988656710509306624965983739485583171773618669340185153362573469734457591426330968369869298412869473145948294520562676797953234882608746687921025706521607623605656588887573333036261720320653496095803269372127411380402959534109726290500770589384186955645390560265123123732623974577760227769229907849200944224131087462466322623985800335491053182528655012327024025394731603653654889007712299031467805551052698340260123506911745952517821505591966791936582109412150073733179414909124188727987215813491833903951082939335808833488920692499392621384871446702971605251544549293955520069588831574350907225656105759574567043009004693376735584110192301155443661418227874517329635830546365942788606709616961098403467913337981121144951909036110571163626810095340186743167653477118574698862321680788518139847100374165069962821264271579323010214078786633709697989603702411966987572066574323976793639050236740396054832378550506999473126788187792766207571406893398519179200755525036281855892763438697355525045994034042473975421754509465705199661735854442055136058898637098598857628666903693774664915405135597857826997991569800518817186406561417356078088888191623757439523394606906585521230866707236575046883901269176800354527841845983826924595594251465822195181477798645961407243534713832096783017011997356705621220477114461112678781084342799773987969585885807305145262426634549115582546803233779207360216080685061741471195540878495529509801181628904766073267610736705107582092963944252648817277967987214581292545638863301395501299061802050776664828027175829928525291664238159734694657652239158051041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 171 of the certificate chain of a 2,951-digit prime (406 intermediate primes).

Certified number2,951-digit prime
Certificatedownload
Certificate chainshow step 171 of 406

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004858953805 --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":1100000004858953805},"decimal":true,"detail":2}}'