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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 #1100000004916789144 1,910 digits created 2023-10-25

Value

20087312734376735281062372189844616575277929745970283818882097486026979655560230413299197388700795138847312914735959681580535420718841489249588166167411166664142259615276472081776429432914575479567643317486853316843580480353533304073395863325412782432205407482119747061252315206248864744092839116418262024802058211992702436899172651624117387894576248823493133852913397017055152011885632495691385918182004718891720930789697840647481828154725932979613779388608927057029525152258688245844252272894574000986372859531768490932726316060109195094790689638169453083027624436150367647788147290747894625772410155106531180134496015620993893058982726555156387042069715288635091467937413860041380328681292713458725953314437829104252510080704598517909629798740721582068463577565030361638266433079155154832926676177342965629231886351327777945431954620596213672818239185302096316514987805292515730241614439842249361762559044818662248577472093106722241707265733816847578220155900855061049363505455282510243099006682596041632134547383900516353564302906034909217884877951023820883854318489146491997473935626932099703711348434261748280216020104676090259770300288854176267030816895133902732835459974209813195041651796641979968211230274656464905279760303459706093595445062859918768924432642916220183910063743040287021417587838530689603909929519341599981423772450442378521826430460388837508507160143906324836416088905435513163973212491344186532443380254599435527443990677339618561024144556170074308980665498021875317723564214517071795777878410143999230379137110003178948008364439757782332901869101262264939472031842645448769974558388104614621173837424225257710018683665125237783211765940353336458377777986702496765961014931278047775164480110421263331894084690969816896661430687383785985993451460104288737095053385727482205694208967380594907346715013482306780823432670010381077562145671090805567687840129750720256608135963670937138889
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,984-digit prime (218 intermediate primes).

Certified number1,984-digit prime
Certificatedownload
Certificate chainshow step 9 of 218

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004916789144 --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":1100000004916789144},"decimal":true,"detail":2}}'