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 #1100000009028310422 505 digits created 2026-07-31

Value

1087762201252930698954434618193157934450917466544036954023507376667452037599434173592434437639512422603820193993025305017667019662992130505746316495381975155802913907132514901609979962952908636210044270305633542388297928067061477911830140922898199773694789806863952919419737307736769773930872462857514391547294642884929033409104202113810509572895198748497753568043329138834233363639419916555713404718844022536483011270678745024494805309704119698374953949021800866846375198044231303204756865899716111392481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,202-digit prime (101 intermediate primes).

Certified number1,202-digit prime
Certificatedownload
Certificate chainshow step 64 of 101

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028310422 --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":1100000009028310422},"decimal":true,"detail":2}}'