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 #1100000009072857504 1,150 digits created 2026-08-11

Value

1078113804385771625161735894085280901660560556193625709409433827783151489332255943843063474724764604417470614562846809973329253274006384609343611832072576978341476243659711877542328935343397185821777308824702285868704451896130539770840498391602199550748917727092317053131560975886929903238971706467163486329268961551490582106144854891118018989617037920140549882736222128497028182556948658274583496406512099313742237339939257796108391075095561925503694196282529373158889732470181268432164982656372101724855966881789748925180737439257267891546747507371676402278423760045018704475386026539179925953902244316646059440260014141075904825875374769923578029745055952259994900145455248503522285811176516893180001680816800864174821838683156388195444396106585577563726867172105390578647419998917595520824798326050492431567139414065347160902753795112783873835983901121875035377637318054000965130770731019059781428764025973324731993737787402795778730806087055451836056853236102416263278164273284466678147359849467571230905717921163478422856692012407893872783359252752786574299149242995817149472426811646684043326943945414115960580997898390028218038590163340942411
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,006-digit prime (156 intermediate primes).

Certified number2,006-digit prime
Certificatedownload
Certificate chainshow step 66 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072857504 --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":1100000009072857504},"decimal":true,"detail":2}}'