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 #1100000009057951220 1,337 digits created 2026-08-08

Value

49156568454702129480413770539422313316150811286749970062745737944283705559076778439050342184908879921723477093589885020303816846515802665031569998880853833180352195590876970014500366811465146342954605768833665448842423521372437590929270540889361855465580558500575799704258562483293049757741844887062527169191620448974169960467083769218590968001459139955019851467409080123853587040854499682955854414741444313960979580678792635662602127072501454022858917483168923668951973137343913357788564834036486758269999447700962241630017173276112469066475988244240319703519467288582143012422037056117979545772772020921586106711419143733235517639541409613169318125672054696233614872956455968412603265269286942903501653896892034683642671153064117284065582958545799493594602528817527335487845963526460247679866375562102771466915054801283739628736425182463029131430610741535245615017871238026824584400412748513220978461987424604023612474908022477328453458978740748184114068983550530781766336245988746766368861503130693807914867598758905986545984099102889567930048251305960087730470499259346230018206106346268631174474093007659506173299209285884750005889189340083773371744892136570956964522004140439388987264893215892231333525632955623993899702116126561160871299466972607343641472740066220997730171509257381891073686292926785280790990216577196447273810311
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 76 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057951220 --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":1100000009057951220},"decimal":true,"detail":2}}'