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 #1100000009023315623 581 digits created 2026-07-30

Value

31230093501823627139562243602918655656273913233963047799788820203067519439597642437548282613945233831316663255148194821039032361584170684843103482054147123726419083729058954643411686696864555140871412615132638651923428740281003461772812808165028117268351167572206571463014042595268489771766410799905214328813314310002753147543156525500704843318265130808873813298741036925805402356925573692558125848654906240962530850450674153866778871050025562557165419612018513388946071360001690330189043064965520356767133206804003962297629538009279426233147340791660413479358506174885609511478939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,155-digit prime (104 intermediate primes).

Certified number1,155-digit prime
Certificatedownload
Certificate chainshow step 56 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023315623 --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":1100000009023315623},"decimal":true,"detail":2}}'