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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 #1100000009064223807 1,575 digits created 2026-08-09

Value

990259035364004911661864302678235710243288029385835265309712725215477850231096754893488106790974973428309901747363865002949153652144086466886037299226805268340290373157617491410795486161247053330985112573455350089370160116040067685076637610629456029809750154784939568483481175319558453561496788027556691319018109910063410566721518813841815614492250506007519517719583011173903928301250049858795429122156466767070566452514189651223916138913805956054989417172596849567266261270396407459897600869790352930753565754371580844023777554404405147539797760360925812387251060641876099774008292455499943019691483931996099149091333260981273271024600142678217110349428102692632933105017399525585826573844476091495534039406726307193716925523902257189428770075101242018146298447907913218326528822126272876125069296888070776898588621319013174345948708835584324392292961660746514191756019326146143886113924419024697951224344690504237579383365241739737752779857813690289029491433678168081516416399643066316273845956170780981921999552270141653506053523051511270202391066973131902268556478687414898864086378995791807901846349970911039770790892300376094431856830114414959480056904212653548275373250011244928106216237432337962387095411987969656118411819475322318606377089916192472928481214013047572439165211486423458615354953959652739152211035195330425481666998935292758398328186792820272850514081882750467843526073876639634605727387951781263258417360629744622545900820530151765915789664547486708033116332923334365535748436465019922943215156829073856965097350056955012105732287646498712670958136751
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,290-digit prime (171 intermediate primes).

Certified number2,290-digit prime
Certificatedownload
Certificate chainshow step 53 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064223807 --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":1100000009064223807},"decimal":true,"detail":2}}'