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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 #1100000009073140442 1,670 digits created 2026-08-11

Value

77004089419185894503351262382970716962848358055340738792634870417560680208645854194976344432605020191399833981269475671060783377607104140208118182427302136980940146236849739612440508490252597050521246587541316741599391423846651820929927791443991464918802720973472076970809199292032564715579010646896146589623907994815511351387404556197544116543374605055583004240375687492192343189073523212258204720565346550490612485639950611443177102958560113340621979356571841643145245039044937999158524242722531915883897995988697284275513565458631344831398577004236463460375152593261473533826486501056219391107952621176646431689834303902740359129348466717132665714728531284537363532843174283218339247065012691773203738069603053863781275303252948327073545772924501427059019301892417053338455688249662755385970808931756606629367413079845547495850338059233965852767568671753753914029233322742874107664725254330696654232000405298527436285098552726942594296776469212701043012913939184624319526056032029921181472646505652071640359719758954105079094747122962615006804336436953071154302531300304119962863809012721564209405577595834163224924868406032306341194231194455336334092563583958337229239578313077449792369922704521696950191622692332976029764113486524766033073972420482444217206594411908444995593801437302822124773221820991107426954568121852994717145468702607979778291139577471253244681108365933578941026828923317421944316646189186512577875306493268998016292771704137617724020507772527640429407296075665613036520706031460277277647837915574618793983707854209134765010052556084819583381072582939197048247257895215657764129869492079106176058602065257231839655884268252256181545035755081627
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 43 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140442 --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":1100000009073140442},"decimal":true,"detail":2}}'