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 #1100000009019683965 605 digits created 2026-07-30

Value

33800217405774042408448608056405551940817655834724820340512882412600361296407996756948384205760696184635999918765974039808894283251211471221968698375032028825966025845247838474184562195941764379042605986683050229079711124418601388710330386829924508191250972560886607276135137672235622394887014925402432009886495260501582473229024836972588278619180352580991735908645210896735389830051927404049155289118976656353965250579093523850174499536449111553296909373611367880542492025301568465447932517234783314990767307082004928745117184480112667438525547659531785814699800747429218893675430642871796173997064199863
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,113-digit prime (93 intermediate primes).

Certified number1,113-digit prime
Certificatedownload
Certificate chainshow step 43 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019683965 --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":1100000009019683965},"decimal":true,"detail":2}}'