factordbrpc · fdb
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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 #1100000009116966185 2,836 digits created 2026-08-28

Value

3955280970552157869360527358206436881077934772376624134085906226619155033712963368243088462016533022582440746878328963809566741335102839607886879596907970500755595667091718521358825909926270239627983103414447913826934877931384805184242592690536567005448212463310696225421542253644984464977986191046451682594502375409771195012040313713113093684395333942919245707155550634908273068973147992412210417542826043889524090293266757577439233515823749143798343822016072814712241166457521729343738606967754002727056458296222669292204580756184410352217715117090967603326980001835746563621855539320045146287656052874227369651094223482465897220437563687205370370333199189759920624008539434859984546900293973828403354147351109320290947669589467980370665981751373729291943957095095341840755775190163475714656374764777423537063584818826926096662327750186204889630110832491871297393222112263555109944767405705106085792369326023841761135622266207756238058768296854461462968662895384200890719074670834897498309103128311286418803527163462253583470514908248543997477363278686637416057274023062141061187277485885045227933853498132991085516808161364218024766396348277832363764192747282934286698905036380776522889252808624024168487283373405919571876408004273098098016421146160523336676004189578317114889019033768981511772826804710299402125444592300343341067402259256970239475850889354346765806193297645551173462892280769976001535471485238814164516744504235939238614515425923603561104403722695276842569829076430646088222914497491831985576917506904273383783681480964152868401661731311693136377263712920629767636227251153164058454414674743092641905128183147679439839769244426110807315211840676014206629209707335002355710675429698042229833580050194305268225335430571883306973787134560758073274093407953391905092527422085726919629288892462127694399394156135749583598208347056162148939478688656076557107757290837683901851666042378479562902830852240469567974091727562329016235830621713607270806130626720573139704364762605701810566166274423993876721406461411172874184722715152838939676986137204039631881691203177417584118343758855016451685168892229256810264752376338543537842087712920159951923156554076680359647405502285730812355362783358393099969586159999698879466999184278313677556930106183361494298928059588560872095829128844865717568366212576044352011734975209285867609340734835597886256023935783152870368482776180319709086688669097456164723741853362933830854725616432539084402550984455491760946253111407212885371777848485383156500572321700162626503125245954192145881576168594101715892912438458277024395849525364448884062568240222859125292473989763592274153832665093999553043453430402323857695818877399111296906512007051173054251458824609349931469233704054002910408820005093784459149829457171168123150578123040343987470840157223812503608553916048191088549453254829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 3,028-digit prime (226 intermediate primes).

Certified number3,028-digit prime
Certificatedownload
Certificate chainshow step 19 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009116966185 --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":1100000009116966185},"decimal":true,"detail":2}}'