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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 #1100000007209250856 1,981 digits created 2024-06-30

Value

1506284598467291482048251033630450955716007558833835454812592478162426017851039366369936758140061342767980294253176329148236013681240725417774971455724917084438729667867966956995134408894267054085591753103918731356571191766306580844807094435202404764802904668690116873008797648358991986388010296232057473070698619171132767108669642417956975784345103793052183903121614852717233659513401321695680246423585334733277508634011705878061272383870476336872333008316748700768810602725587946642264237147015316666600539657316122375166432172123991910803301622888865651541440674356157180120019597701752246513381634471326798257802907533869354458233875169402514166346151151725142395412844977076716589144476597346121824239644363282495562516240408593793229144388235844839007455610468759463396645006296883274271151857142657793979113084967656548648123115030316728818137442711709735446842663174576694449576954643426444289918379338525585701488341447428148239336735894479316072655731974633930394872580032335255878677736379463481992322782868955837200460845811114107311182032880394086065000314667703340672501613680534168062370800793354320027489487985545164916143013478091603260889441896117627832039507469124641836554446340540957657692306748551544074266326923500960428291554064108325168900764251600276477291817410530036450586808019746823090131621569023475285902797217542356566511518332470923779447089046922261412233467968148155640632012584212490826435929494399098192500670354315730916887993926143111614700733765191399338586206829306007782093332288665556792563253271098978447030689590579238680609184213640635658851131386447658124066806975272576573306029808355757221671853537463400155470416539455089974297974181606966173590347729587340100884514512176006653555969010699151952392649865504737333192384032065866338636009484021992616946666507252041956786043688124249593184749197847937861978390884852980545809005526103256339605699810736391772644190335981945183399964221744696531701311378332931844293712295571854451
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,032-digit prime (206 intermediate primes).

Certified number2,032-digit prime
Certificatedownload
Certificate chainshow step 5 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007209250856 --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":1100000007209250856},"decimal":true,"detail":2}}'