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 #1100000004938746485 368 digits created 2023-10-25

Value

28817448417663142853130985591785808530279865716792970959575076231836686671307004225303204554902254976890652474376164348913760072383727095242104672251867636359440275601018371234512836930319760474200890388685703031731487198068713853369894856964907321523267954599962955506119127208514674963050394876430292051940165149145026255850951585755714147013583413590317552768091271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 145 of the certificate chain of a 1,672-digit prime (191 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 145 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004938746485 --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":1100000004938746485},"decimal":true,"detail":2}}'