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 #1100000009075279743 829 digits created 2026-08-11

Value

5519753421171406776551488918785216731633261008383008654692907078746501113985810370208428400126239971791831240799039896856896989185183893347742516370366612919583847030131204756491091788378431257757914957191491583777176662890150363631691548714907451518823888036835900340978210918089291047869720961026209559923365240120752487654342724202067356211700713288201495880073081314343050748599526428297424168969004408018062536105286143199686996245055333368536529602142223975383829147530114753607908520927540514910693507341412953978699256119978781893930104936070186936675341626305077819013434098562690537571890864800702624844010146839764990112558198432353891767128048747679249032018449679500671673316495629864042373504589498106485924964869314101521054814865618639715953852947481719149639794856486209189834266676404994684152415994685374490637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 147 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 147 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075279743 --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":1100000009075279743},"decimal":true,"detail":2}}'