factordbrpc · fdb
Sign in
>
?

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 #1100000008787269151 2,442 digits created 2026-05-03

Value

655638590157241584677414512272556673365119471358700085019185972034896253207755527063227815636990858851618938612665764330473762129855849910611159332874471704113463556542175077512094765458513208749000160824036677272074829198919875208315501781124801615490435357662778674969817425786278204794154527296097248340699515230140662345466261578619732125226398270124298586350385625064404076280890656213259257517591667490275497110620603592285927642686305110395596266332527809980635127793479948584389181484072185851883145761952138083454731328837162154580113420417628510050405514962208075606045446807806882135469685587470904113934533063010119698879386811127899626288466313094397950530444250710208215727433751812953099355249015800580716689150955762076555025460423555722981893961470922777058253122073358404495226008605734813258583125700117390260513283792489962423146540604906769767181644355642565158173629822960107358615691924182625176620745116191417383542315839771761644431486567253170243940213185617259445340933594927149490835469762637314151296718394056933689529620682242792997098192651541033814427896622070304253852209431738692987233913168008211808548667067957029386989817814877759797406329854937817155840594799514575803991622684342733558836075112057321778690327497256805450887217370368317591402241835622222577681351205822490210517965204351568748319729529150287137048357591472626757177964346790639895031969384239894487816371273329368883432436027067942235979614211308537175246467207479054137676088773401612554424158980648774068432014287242237101709488228522253396594216366367531745939055815166169771166181471333597101729191764858344916913245572018323814306495500149550261536195914468931505143784791070554381272608500175417898404012822840207666758234738553986166181215156530108094864229032311512430713504520289443542176520447114046569064262779646720381487854566877220301740171431656686592269463350278336250120270058895577162361630826521543261146789715146290779959403852141113686721384041490540086580118269694131553854447651793645922700100961267628141672261225467643114162469465130003329928909879821380580145924279172507029796714222792724004693025513912427619991224986077559790065004289241933013864085985366083836623148203615812716970737220429769414371718159562990328863002314208816520907957608918231868250212934696333230983159515229334256783486054740153064173441648956719881626295699908319894861066471551329781421580360608117904115162929317696881808816827261
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 3,147-digit prime (192 intermediate primes).

Certified number3,147-digit prime
Certificatedownload
Certificate chainshow step 45 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787269151 --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":1100000008787269151},"decimal":true,"detail":2}}'