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 #1100000009077166038 977 digits created 2026-08-11

Value

27808979122579807044983175990438711902806726159936543983283282095304836406442429397726399407745528780455750256021707223438984090769770161824356457483879688541524585944499352928899477609554157051472660995896597149285222983818202509952856597170942946006468199024938878140105103337006521527608222018328358910213088907004206015835996331731604792993188363426785468606359938135179917984139612577757618701742961037691184410339074158716983021180668032354646450149138311979646273844896461197270124023297778757481377832285520964998546280459641392820088809266278518365226668338465542687814354771673729863028377695126675702620636649876329722666281992486575546392238476152446464431681670464914491008472764893389118905006312634898650972469556287848567446766385122190578230976939424062111489031177869968971866043953895552677735339707113986705596058217483247401676383921779213866495662846499528274788357815300068944807626864245400012410488221560999238151463050237954647527368624111376623149573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,828-digit prime (138 intermediate primes).

Certified number1,828-digit prime
Certificatedownload
Certificate chainshow step 70 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077166038 --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":1100000009077166038},"decimal":true,"detail":2}}'