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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 #1100000009021938380 1,847 digits created 2026-07-30

Value

49627002656697148168280815205359755046391745400736058143004115961511823617295060213030963939131360374853824640193479262964779130407239232720625862754198885331575619832598269373003646228927997664754832783194452589349472575237414758421474378370066616544866669480041100891560955460068990756101203157582188358927604211001571379213946516587678934522036591105298816764956943093150915752768923708595561932072685070470926968133878296066209636985828605184327439627859628389796725888178432221638426303439133723998054340027551890301337227310391595166331041848771290927902901659348123246069310086249058423907748277159002278428238603977223959953055560955120396652213064317186213529994866643078044863144394500079323924944629422771982894671536962452342789066402458770904832154837795328492854090081396721889828537343143544000925290820007707774478429007187867607913351507051431438194199447516325262001511965775198039808927273773473579361902682868462041604041681458416632991721847851353452512210024683338174918696599314048969708749724936299487093224640643066057657635970267424583016843957523060275143661534233006359129427480481506460280906771602665160051050510265346417988888933795699865090886288082805957169475674495536075165465595469381428984335376401886064805775973765605993421560910206731835059195989083877413171948167461204845949609367022063181574305936977317646460180164223281198040463552000589258128680758532888006727765186341532975541936055290839609892784163254959275146733866953296436353971137103285843365441145206542522944835760558733491735772579663049583276609440097827768830524225767221317117807910776495619928018754894662039219473846295734379443781855048977324038720700681612353869676017426297397829583695705409527096304987861949392077442520128525339937649244494880612951435664176860403677531279566800005732654826220556749641979380151385028087282589617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,737-digit prime (219 intermediate primes).

Certified number2,737-digit prime
Certificatedownload
Certificate chainshow step 71 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009021938380 --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":1100000009021938380},"decimal":true,"detail":2}}'