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 #1100000008676434095 558 digits created 2026-03-10

Value

208878283302828807962718866048317070669263967482986418306275650649377424977461127640269579507345810997501329729694371359766388207255985838814973218917451476930709693267850388332464246924940739263142025950903997209796119646661398368027222845707487582563241812715265521376327257980273385075921189127385036168324706798942362521899679575064193160352651904369586993810312445274504656114840755799269903930002016147434892458888239792514529671169086582768268370119870900082672835977515581706266355277014651369369525182937220303036702019165511871013828459301067742661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,430-digit prime (161 intermediate primes).

Certified number1,430-digit prime
Certificatedownload
Certificate chainshow step 90 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676434095 --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":1100000008676434095},"decimal":true,"detail":2}}'