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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 #1100000008798800376 2,761 digits created 2026-05-10

Value

1346495703875776948076106472366760556550757165660676282595512607344205622089135826499535293368357598846018085157757960618237307541596311558213183136430600215699799892687500374163863600846901073648490120512175406245754202171268039867939762129738907507482028641250235919052105769647393017480736924238968768469752333185578890392899795190863773847852479464072591159063190897214805073325005633936276111173027141960000663787211027131221960933610911285078515491542344588733341723035457434471803312575186527219785284108530234696615174279221755439414773085328651425227761354091535930229391395417702750065125016201533677583389603339707693736110484720172729684250515806140400725228980797024444842321704417138041837724478561094941981526786513350437779339297510709556393495521144021946222837462486056167045909892781647060795051810419782889718321669075537805817546842525541156223294212830741252574636382367816252710506181612515635016207655306437788286758376119812024144405179345896595685191407386737158400010067658930545701454486650917693276804938703124649973012412342747257392942725503366811687812303624009543082481914233503014371776267964752393719324516154599550585220358613475476648865025362674922872929201643069994593871019183432372190447354550944624090555037432280868033032485430704792463073074442361974014372696022152149687595181378613074956647486748590169383162471218421470200920843081586881946774267458753749386686532955623982475131775303573838924196074360648798674280072556741305329314763994377887255968784340059161792958030683983981730435996429833001593854433962387701990263995063070126037195964174510322366959152258969861898067345182156711292787026022570536364087280388134199638519939592936680228300262939778026002082155724352951060936794153282976468040300009569035013739227886344188458261933931769166040139500058574535940230146241579705533429902575926289940983168858782308193130536334935404811481239938955063196078809968812116406526954316172242897104216333473361061993301760499718589168105472104752476742525170095484268475167648201117532727809027910251180725680063112619389013295571263979389436563154436070705173212028741680192798460752513327017485423225570199381115116965420272100215735354730004662282207892576277622584196349405612089903506828761289781399959810128968864448336550716122968781210306312967212980996727066130801117570568269798260731561101286960681685876104478512232289868843214046649194165417436797079728859564419967251250097675985461890191468493239476226123693834210560881904266207884332459862399376822972722765635472145326630579442714044745625511726410623744929497286307453350073285752275327196777172398890636647211992819298344490669429034034317680670268347027628629215122993054649050731618351495924171126466988109912504503934569438335151695107799
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 3,906-digit prime (235 intermediate primes).

Certified number3,906-digit prime
Certificatedownload
Certificate chainshow step 70 of 235

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008798800376 --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":1100000008798800376},"decimal":true,"detail":2}}'