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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 #1100000009048955360 1,127 digits created 2026-08-06

Value

48779709722952092074247637682078901764790385932585894647819197045344106679843489509498145012437034221738846977937146182977319099759605674170131741675796134873874189712103371043350575600307453577048711408926388933197075377304058306157859256428946119902086023658034262405460421786205277619980763609445541725418664891264866668666639111440527323468139227325146536273537489165649310910141396682265711930766628385369044554262876143924210970108229200040613637000006497727701576307199953465285472691710780096812140156937158809962732199521604890042070467889777856573317665429810559669465640380828594737440967823455723322678831425715645345255419145768414143598407713266564815624977773553148874127624317275979951718597816398801788302124493431898906524779903130864904402698867865407954534359804874110519877138889671139865008933844146686152757987976963588757183586769061682619734711347203562521616626019248861622463950527980862203995168941961801881725790004695364455962556847135750837852399478604824389720924692687883119701488288538460321627369033659971167504890714035751127361468687377674428464887639045623343685350741297313813769648396999
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 31 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955360 --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":1100000009048955360},"decimal":true,"detail":2}}'