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 #1100000009048451588 1,448 digits created 2026-08-05

Value

88638852619972808658150809150697367430475261601867389564970054377368475260884448174439466357263152620113172151181225495090767218216536678353627531170367796028597867409004514425169493592923084444798388482129162846664873267940337321570847392827000802362554270769340181494639030332523458201264070136862957261222687393313013008472581090159553654219821079080557244598266399827221263514761867706076102774583874713707923297309130912672851583821353061360140796094248856449638061412813368121227451261478930899395278139389660130078054112152145831499774602404324638886720727242058361421066110919280303025006566742862989224663941220518388816319368257906505157143887429671637090397530954276767383929363438019210156115458556281546849640296522083701677493877152487750207866669423785315389108717005696976958529332823814333782670265613251550844153002684795026747749697582830267829258328994189137855212227006711410395005197572768883429761143672271902936129210450703751882807424282768701613082091530044650970945395145719191300011503224602619477618625670412572922800485577955989134692377051484324480262651380428391462358472932336053153054898945201015805169499100362651381725820231408000661157626268265089936785801419981896608955200123190246183150230970313991641263530934536090024720805438860948206422913949249050954561325938282421010731998820988888794728709016165133006489401309032619659358775864554290868653398891540843496798513897843314625551785051528203567836030221
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 1,491-digit prime (116 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 5 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048451588 --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":1100000009048451588},"decimal":true,"detail":2}}'