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 #1100000004985421186 561 digits created 2023-10-26

Value

669891028060841442283223482520216411051919969009167444283884562113509011811728578303092524776177625643528558986237094579443446685383676718621979300765708150464031611674877482728066746074849809160897576418702473096108255880462766032431532273642854570521340569918685557635199359223072121919006286796485763505873966192846368346505312494968272360709685468603360715012028798374337335097742723042462607064372718905032413071653488669027164707078859991593421301867518384835723030031078632533215610157313480715414036250556965490144404153938130406720478636025302441620463
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,115-digit prime (189 intermediate primes).

Certified number1,115-digit prime
Certificatedownload
Certificate chainshow step 87 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004985421186 --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":1100000004985421186},"decimal":true,"detail":2}}'