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 #1100000009019435401 496 digits created 2026-07-29

Value

1520946653922016231346321511999699508444918616061611245262611178928058449461908147615331533176639085323139031424093659433902479518737900945858713882860659405160243967937471100677627338184322825449749667190477290473289348841433481438928840663048972937342741787571462661105760291171524425219613321865281720094880279571380949586953630038314832151845040969021076096107997936075064001117462616025439124393280187053415384373313470240989719430243954257443151537035959231103367156255563677386977919062071
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,099-digit prime (94 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 54 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019435401 --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":1100000009019435401},"decimal":true,"detail":2}}'