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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 #1100000004870656791 1,730 digits created 2023-10-25

Value

42492259901761502885891142779552696449656942105605197831412473857814186907020743470580695053731411019194366177902673704179204279123053055964719842531926484496298395543578248226260256144514866179229682266088969778681490119451315957078330120271835524253309800808718442520092457591903424037556153315102711523817269441157263621433029726488180473935745424524604410664421569156382401206267645519545014477533830143946157338704927200977680560587839260856715220158674039531670708718828542545170062135597791142345735736223946292205884639977698408717622770067107370086754318691563710585210844210982291899768482891628530453465326904642894756299048190261023163532944591107102139896244616090549835449108832923623675590439631364931761521993497694042933955867210441496931213495309715817628119749735670194400932575826245613155453053210491438358379248594418562109284090578424993871573419867244515611327990802527311068048593161513921563814531424857792543601256544102613450993058338871258039947957772718589289462910248848361294746244095960974746320037122184408350470080732575928074085944793690018176227641603875233471486025711482418090420558369845456116532297098377498880467357204259497749121853259415869619454467473769110548696031970854135807258634163254604763542283521821013062774379528962946302420269902708688511048478775510142024888748765055576421999892423511921947860189518113010535817504274370542567544479693744710615271817775432250403175853646079607792179088684356066439166573190954244338942895546753808176634801529452560172502674796511181116741842371849159109601992279615831690391364167018461363783092796703468518139030959108704175583784723986804439077938895099776674094194169413855417420513182126663098816950694367631381650753875255100495447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 90 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870656791 --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":1100000004870656791},"decimal":true,"detail":2}}'