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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 #1100000008715664406 2,896 digits created 2026-03-30

Value

3383427780488738379693636612937461945968091563581407241895648446645684830223502360311783397451608498283520954911334275814167102751919381010194368047553653639302616744689973729064240840451273960966429304248344902824333520863743315669984897074290061386270943063687176859616032578128593780840519919848565337130948329975381010243408657918744953496073282153728381421545552004152183948538801208996462364250795591543533220478421556474928828667421415661174725873196080621209462746599442914894271201654866747002854727907728465558211998892958586634109074593738548128797984019805385495643972967142641112689892511811942705290512296682338822008902434513127441711095384089328012198537016139975721224164900570230348275295866019293157293321836426221197092121055982945061662061068663349801264053135133964446161484749957104675376420277217939647444196622780012154428828926927861490147979916684712481696154614609826136185024875335334202118358680543648794501951085296532059242701465470395074435635475065983605883508278663480557683598746704208827452960680079066263838450707451595036818614062707480926358140381388308357881646301759546722815408608566932672986471543279513448087998806770872864624112650662477764065845664629876439251008827088953410584529558914679811342177519182259924553285156721116313642017998716423108488952298893266375298608802713637953748845347838964098010207387724616621829716078320089705916078672492843266659207390247332296883674430445837918389190100094403721510227556341568988904103817719101355976735597274497426667660365601405571475672254444861216761033939907518852023429731889119017272758596219801940474418006293675428599257739728302314243881644596764109987784127865360811199601774397720285958950981265768100861209200067525305976545128745477293116829192145464625612644714240658400629801010794011885592305746773040581555702181594971300041790093033693286465910507150149020829486126772750780542517160291990755025122380706007531465868049262938936243982830803326253238594542394420913869046960843084564489853781769575471081183293333211722560703563988910001947708089904467387138911914873143149132630996196486850715841635588276782941964512514281900196774276110488392853402521808494455172546196078503550516513057985973927980596820387601716617157892789141152874363407896128169728940741893275404781474901163045563977535520606898718789633224976494593830949095178953326160004585118863175575016736807733088811170516790731092344875429652761846697961465689306995856861483907182571161530699148312948394173015069763447073891372577706057188845722162846462205006236421494250279363077456437997277462480328081507267279487522016561314924697581796385389395534173664712459618312196282394189629638395989466008234851790208841299747149664639759104497584418116391474555491784894808226253965758583276158586121711241685729742122160570047367585431930056189901606417553173961052912910943639104098438240015885911630242160156376887
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 3,858-digit prime (245 intermediate primes).

Certified number3,858-digit prime
Certificatedownload
Certificate chainshow step 66 of 245

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008715664406 --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":1100000008715664406},"decimal":true,"detail":2}}'