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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 #1100000009057950357 1,929 digits created 2026-08-08

Value

540307002678830526550457792005893844469753165721700373069419118972123973470694052894011144019389343342398533549481245247969003508385560490759443003697865664962573742281854287822423500020614257563926821806038927383346149642176923170628790283258846921196911059034447478931521249827361809280584990446168049533803684693937184923085856863383526381451284438088824776387338640867612647194467705746685061643818154091798955226077000972638806893601115008724897517023222953467779662402800832677701850970589545937981775315928176551117615155291934910618561734510076286542425205945605305168372796370285570910774778943600583246756365047965590022767521124797685675450677167020280393692204574236776823122197783869827141767578528008370766191712396004299243247427019788653017477179306361489059551243741069365109187414980038458101008428648367673799774980689155244348215091062424860267254039259895389151435388399629632261271860859768579540325940984421966666332723579500158076485161449414146553056757543664164240865756672150049306528332388842382631645726964649028366113710789980725803249546784240544480554747664496662952373603003739262397983450754715136013873461988995772051408299109653970768230661029636124137258138139357585763271428985704166415368115679793303658332565567177206403620770332165566140827403128981405931555928493805381691792667665698717825313775452771620344609185545345198842408483545116434147639527970877327261665246071804533693746216565300092279526292298216301592800309788548202298955793705748049719290367568898121954928380411790965309591266020351535246687578888188064151827109618355956318467079253907368590306713171217497248440125122410634496213546225988677598130099740657519216859447699352616848474245596113166621126774794049664001818214495537837881206688562415046306087594286582762956745757469296115376169135628775489389846811205117731468288079456559004053254654661793813606273313679247634271324038661162002123158420569205488714299
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 28 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950357 --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":1100000009057950357},"decimal":true,"detail":2}}'