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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 #1100000009061156932 2,082 digits created 2026-08-09

Value

425780954833194006407784685918559624955900874942322330688040273606528919958855529355116333680611845144455459351102763928935278546690474300277553700090300317867403917101627320718909711598158327013399513481600887190785257459554166334215867611925508823411635234818136248414163686807054195770564421252408081864307763042330038384541835439297050927982913152120518101354610849115625939322980363956620473711315827320325809110635908920107791894436842136186197062263387676817870254723416652163799960881534826872385942672868482407339482812457537952925118896345176099535123038606298103720175514282385778749440863702707539194909437201906380957760329132343232910618791110162932028734998782634794257911021205759638329668708862267747765981804338000503663668449923420090813017847135156025777967856608258493367125095892141809567354315624446930743018959419992130216375182690462086058690316154672062086586975554928674100706220321388549592416399007121568026248310395341808915025147052667661111038532730399396008752423074509794226965471002629626298864752575960275364801306680840772427954112966176735894079239214525824111357474434194239221190081426556986800946516480137042716277589146450672904340474516074017339803490233537513556048985710626115827742260623840630850939149586921410484247896537740005740529883344319505149332941744990412394464038413527471367675139968711466558134304018272352892975477021700931717597779075645736226428141354563702628149877912132858310904394273749400158063047664044676408570659747828557651635048968053417205486558316173642938022762873248915328472283830591247003431800811713423489447697927699007973733468819276867904830840334033714425147598342122029400913025195759445478455542716122469119866778534890726742047767741039880829487485830283785069886320935508104337928985677482620594191663118537156077346172502031419047056315726610193090813841762756872582296466896293155684990745713434789847270385283026534621586783850704742771015124398632352492786550594656863296430837248827249432812469989939624622465137926931995209169773861654483137498729287010187732194182397800111356747811432109
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,371-digit prime (183 intermediate primes).

Certified number2,371-digit prime
Certificatedownload
Certificate chainshow step 27 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061156932 --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":1100000009061156932},"decimal":true,"detail":2}}'