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 #1100000009023315587 959 digits created 2026-07-30

Value

52855814663269443323967171272457281896395472126308039710682540604054873509229078733731214467260199489164216582858993456743106343782133428094734337552025797963763556609215517007879224257746182566909126852369044035668202063584457038016102157632900600305535073706325874781747672625949569236513501363664085866872162890048329702254481205642581890041577522771634089979632182832826953024219277800213471403644955469064322875867975567669006329314768299656224565123915092272496920098301419061149358872437515733597303651802315900944488424474570834236081010234902222204864867765719323778507947818801721584323450039023415972817700139546401398100700418571135317004418227913527146773334329448316371884637129411606238185541678208864803991924627302678376595657517575694971021705702458947398649609389862959070305563684641808787420322791466303553334312970040135913252086641467442806045173619254515136400809941710839973957979706411420895823624822172018974609643454178706358361269
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,155-digit prime (104 intermediate primes).

Certified number1,155-digit prime
Certificatedownload
Certificate chainshow step 20 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023315587 --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":1100000009023315587},"decimal":true,"detail":2}}'