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 #1100000009048647081 426 digits created 2026-08-05

Value

696252003646723900496845592688896351681778397019293676925909394661124103547525011026370630276436243727869759705262241627670017547225019778051724576987318624787755871530287598810841304701119035316104679438447599134069202607694809975821128524881888994974410529274315294235048601427393916754368029360968366549428765609576138974045280456132445636801154024304696004495026649957391042199759454340009471223842743296661575770117996317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,499-digit prime (126 intermediate primes).

Certified number1,499-digit prime
Certificatedownload
Certificate chainshow step 90 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048647081 --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":1100000009048647081},"decimal":true,"detail":2}}'