P · Proven prime
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Is factor of
Primality
Certificate chain stepproven prime
Proven as step 20 of the certificate chain of a 40,000-digit prime (3,297 intermediate primes).
Certified number40,000-digit prime
Certificatedownload
Certificate chainshow step 20 of 3,297
N-1 and N+1
Checking N-1 / N+1 factorization…
From the command linefdb · curl
fdb
fdb number id:1100000004812121959 --detail 2
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":1100000004812121959},"decimal":false,"detail":2}}'