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 #1100000009008085652 2,399 digits created 2026-07-27

Value

87393595657544786735551296371358504931135503775164195720330683825253657949984201037800151634118607658097940015044731620996521724596759513766832549750217477556200335796090499080470646182026104128789154877719096394212785023655205394387408815720168612130403461762291527332238838701793403810227207439493215007415099855777366002101468575656844009340585322631720528898359014274503538706982088734261508054741157360026352075650323133850552579826821334991237784862366370272715667112721355452587899090450644025330650754215314376035990686520928907857808549634327349046556732565189653760922997992390482293372869121364392329854944339221670854028758843653141377210103531310864847261065946155462931749281379792972913431026441035198692336420856550521593973038010149650826373127791621202148367451800149281811055015760861413603837703484378330912120350177187940168524332712008598345943326192103824440046234622725311616103711974235597632021424390766020696383509119775696642735408306417383923514761334469070287953453984033587915245768390992446684267603391095385824478368447460896833715812398586832279355776945736591716917190868762450963179330437279524082635391592728182881659711820205279811305093932160771223681145137040455019466284600344680184906834210843036742200203333884598526349147338054283413307730366795674476513081939749309707335519889417587254435531876070763033858238420241556562668874643238318435720059822127901375697646761082054255028999037425040813972346933102548867650019351673699349157906754796366968542688194835805604721469591468568889180552645411170654123413456637675962859861342734721334663797132638650891350087032379066352809235379013977708031453406496290420946164143608949693539601007725819394850098811162128045999634852712077928013409444315075181943573508427702677295181199024743283574159860768964941892445695953374936013671277971027217280679781977566131892480276535263281451436641605977972090832977946946602130885204636852622055849332823449948470400449281338714302570471094486526001005929447095853350047558150861982274532070284341802402441824175093310159361089563852325570516353129378506358302183789147585629280542901101348498935510403767111319104374652390041636719378411814495194400709567361335664474170892058872710826976147980131127442212703648183510038105806533659543678022761860950518498347664032137435672711788058527786249974754876577347752768820354029326820112217749993489897621933901158214703
term 4657^654+654
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,399 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:1100000009008085652 --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":1100000009008085652},"decimal":true,"detail":2}}'