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 #1100000009008069338 2,542 digits created 2026-07-27

Value

2582548845299752695131953391495290903157888263108218981302738694618024049591312271551187756525740941183204184537447838854083114580699539414956672866264163843069112391175665844875490770801262525166815251311754587276200261966446458899059104644168107195748626898032832478722440250906938779355641833414965567950766315247976955809447741497599083497359341489896632925721630441480539236833445640328655393108534797867398214719493279361265379902333085238550788217665367222909932789527676296803174813905446839492693668145081844108817818018780239247730941397815858842966540773173067140192639761363855780382340575542217294759415463908601995564513853284529325644794183056172468794750273222293927662190222253626244799768089907415092602876324523833446922420363153258023821988466105071351413865767411414470743175027588650204250978914876426980091496942954727882099484062842945355483418330713160158849411237966911241436154216411716406729651912295290813660478747369709010882710000138309181173341688756418641250279374718490882938043992304993481169686028562097631631273190200943362588275283132459903377835055751886752484506388477317780595398825739260624605976014640587359486141122275044301203592330757820612739522390255884582613480140540398133739455592379704341012428101323207985236481898998638832016224700006501113217442190804197861279579789663083071072224893171136006604976483522991300937714999306275344989022292764095542278298439199826518302596909816196787029940152697516995087296252400149375256457112787046933075069805335052549037833201211777319519885748901810272491494803942476527241301667540805223163729257185248704148293336163804374083246572315254942300985585742973224065512272499429902230562465765353313026690356178146978496318994088709283089884809121748185814304043840286564782140981897148205609961170221052360096160036171129287903003603359127917417999404942655358120154855352411854270547936691076174219284953385085634245530142595942663286151790837738802745000569090685859151044393739869325190697674153641477017848850453553891567204857861910504118861135592667452888782001553311906609321022559452573507342184354011803944105933340677351724278236504762703014829792577112168779138941463028350761459484325419491274575167290957728618439369129532256910669368050543823151169164580968519689344078185777848477472318234475458898768059016963269520199400827614361275043263089270777180800854644992584081542556640425874486317628941561287361428645068045129886695031244769959694129177183564456830252605121046596816596634493155577308729317012980998676782819482284760630159
term 717^890-890
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,542 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008069338 --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":1100000009008069338},"decimal":true,"detail":2}}'