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 #1100000009071048551 707 digits created 2026-08-10

Value

86615844899072828646253374428074125007951638356605337929992529894472976434438380427275648417236067675762883962394434074018942651014043026534115801507655801052706444462292303167818411339181639560768472015159214935773018836440433438105517051068293292838985456040124175454659328302045544927144869229583084804518755343801197626161059962885588995225391508555252922784906946235942473394463345818895251577467791627655486489974946450465856458335833624765145778728529107939798547437951801130698251554757820238993445667727059078425581103567245727930538593567189037662784979226746081347339050805727924469922944046835367287970684713856844342620270927833497594452880721144446254612249577350104136252708630818522858518263
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 151 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 151 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071048551 --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":1100000009071048551},"decimal":true,"detail":2}}'