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 #1100000009086368469 997 digits created 2026-08-15

Value

1405892490266552152995489407943188009024744718632947008690511356081532920209419960391716384825759585106306524172661587073995356775226363983883376785568258943217674820858670080453008184296581572426589098503821102835511497735275856124207160016118077507225042072627359788553992096096469295413191054555146603061574856176477638832098853759971142298255258423238809070883528383429127085415381209415851859184316036722026546011210729307919754809904015144361661545899554957555257626162664458718958270074399727419334404102216092575082504832213821596768347801045446917893332525104455952796926132067762729321967655861654300507069767452841313034487694185259416847478112843507039783803076713196285818123175246836179159257064533475277152346351151930983091039521255491078611587910121591491290648654485180020455980781789736211912515352601931500587591015122924208074161626140075766093959608755927457460958718623979090889953730479587591080957112249127499302293279523740801544667953705127362790891197507481592139810147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,970-digit prime (149 intermediate primes).

Certified number1,970-digit prime
Certificatedownload
Certificate chainshow step 73 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086368469 --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":1100000009086368469},"decimal":true,"detail":2}}'