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 #1100000008676651785 817 digits created 2026-03-10

Value

1271471116834903587625304596752613819198350801732266504041310096288135835962546201690483610847513726246919198935438561630423467359363127630626855650052506694699931330180144555063681741236206123481272387199538613738383943230406491556555235520106189363968786332451826069490101027508880236971464005549174261386838716431987221791232209469446835202071885627930277734609998823545938613542395870650272156116747690419443685067358954102170976276058481574639740633005841458298741695193511647395006564094505864965858513502848072242354958801805514240988877612982271528199713888763940626030771388029873310372584483404984353905708739415562236953371944202084862911268193525435412040803793801414125536380157673769609744196989760965846040964980929926351734868837143918097199744016832911768911853615929541202475810509718556554003707929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 162 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 162 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676651785 --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":1100000008676651785},"decimal":true,"detail":2}}'