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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 #1100000009040889074 916 digits created 2026-08-03

Value

5319312551980347047750910405114189652305967701827290401999609114790371501865613517999461088067810040612320708843753112713552101870990694936941138876022516745401690622024126738951517931264353312668512332858145321217966607545206993946758956068409267328173258911655611620044774684613714468142255870585314262216455062739732686511563428604495278618358537306116483625487843172530069541229322109961178920056464270631826633293796202184609634339519256293351472771019517021742377818066819894032752614777230424705465772881025483617432026472579352461931906931423151999179177743754473490674850199230164984563128531256335916248994886543518492992350258277594546705882675124908040892043337335847180259768912977065155523286100166213986617431508229437396670171723805797171232301404954368903830701794525836113845856563707781083949400576663256583016911679357357742230865733784723783548154545889569416001427897405480892585609843047104641
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 32 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040889074 --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":1100000009040889074},"decimal":true,"detail":2}}'