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 #1100000004985421471 498 digits created 2023-10-26

Value

218685147919604162836026071994334371431160617692987809007028811388673098852467051892880480728305842315631732401366827974587921145145320679837005305823639580429148968492596014380435916328034283954020327531249322701277984512427819538075114877489175447058759475648506352661601384470448702666119003654704412211257812352902840370800477825071899712857749868357114129313372396009280968716287242977800696594194321876606404344246770382352697718404495745401839948064635688292843978056449595698856656655968617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 1,115-digit prime (189 intermediate primes).

Certified number1,115-digit prime
Certificatedownload
Certificate chainshow step 100 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004985421471 --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":1100000004985421471},"decimal":true,"detail":2}}'