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 #1100000004991783381 527 digits created 2023-10-26

Value

17085726254234948121585074810475839087995145583290394650591925131333474348322527898406034607721941073422121161146214486748995679858784822353101660189956352143661729447460705365612396612934549200939847490685762914153500810940953933456338973917262477326728607604938129317082474674963369237844974518975696159124507211846226461871211198957706949060236693879767630376579519245041213733883636126276155112973607742439511268328286334293351912680035654375570949961141182304312124826123049475531356456465087798919195700854724784832860251
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,069-digit prime (86 intermediate primes).

Certified number1,069-digit prime
Certificatedownload
Certificate chainshow step 45 of 86

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004991783381 --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":1100000004991783381},"decimal":true,"detail":2}}'