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 #1100000009042340909 509 digits created 2026-08-03

Value

31268453709633305681108809832838483101490010072114022633721703320192877946942011316331081894794647070181071419999235636197846789317141851180001504617327225663630524191266719038754792260058054559266450589137410921737897471268696656951087038130594423219369629456825065317898553247797878378601791009057231019569958680113949160834712164705201200549412660027160907207014309781098077096568846337232141429357620031764789015298743603945526108571632055240303505874210019615296027064878109911457140542894899129993836103
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 76 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340909 --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":1100000009042340909},"decimal":true,"detail":2}}'