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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 #1100000004865350328 2,569 digits created 2023-10-24

Value

4725981548279270770339211419009554331485008449921154977251109912860013047412472607513262620465179189483392220853031496983123606615659303466495453961435342245434256939240057851432626197305732770801387038834287558836307576206523178125213522978127041278225624777811541299073215193734799731286907238310472324112242909997402335753506305713092235228847476751465239485410184039164770114803582388649934677722867914748379354972112958681731471817629437507742470961805335964566554930507901257945228533431740664274257380568107218282911638060319294790106425567588163867417576527908173600870194840571874329256311828700963614244367070360383556179169721805871107150409481802238151409576810306316159454533534482149176569067861524161497301998485840774803717900626100717459851918716161736737539328593299906234990992309117504099555068379175536001157539141839924667623812286693474303699499072255331106467918950435176378402477980905095935729011250009766839875549761638103062826291448762191976753683982326815715622194673336341653319926876128660339784334980649675523988564273298780238380067009939086549278351259930453299678798497005143821615921828970130632365237776032269137498604197665836361020431436329278560288631090211314416810952780760125075866519387628591657472627249615600256295811767803189851669159325696297735386785921587835862267154295979054260092312566296350242088472225382931010116899065480973331929890677794065761683626665118473555450179648233835608754286038402015419354648422341164541406818712236262071798934205876220316719651789522296992512308078340565042561779740125611741418130044455707023438925441909910255606956622454681779194826290980661554834926041426299257997548233097401695806036868016386129586343392281529210744677082874423292405516138683091239106733992190235097888009366292294347031069121911075888986095748227399104909943870989703987498298794580598905587189071185438589726009650563075511173835647398394396797851484621432106279103282735961677342614268327808028384870882316235451509845354604193620819312661884018793489513630756301146201532187362232805116194460794361564183973673962005921745164906276540569114021210545095466126896567448866273997100864728784998991000576685790762245071056962024952542220772061959500369947963271327869177754158263977750903865863096798674114537631259420789308621918304489704227256759216865265919900630681815263195285777212637923931025798269179470420981472795753806670478367747558939466125112665101769734138006997392814784577075996996397705097332240814505820480513956016469210608495062567222367848405438728777685612250833657178266043315016259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,800-digit prime (308 intermediate primes).

Certified number2,800-digit prime
Certificatedownload
Certificate chainshow step 26 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004865350328 --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":1100000004865350328},"decimal":true,"detail":2}}'